Abstract

A stable light source obtained using sum-frequency generation (SFG) is developed for high-resolution spectroscopy at 578 nm. Hyperfine transitions of molecular iodine are observed by using the SFG light source with saturation spectroscopy. The light source is frequency stabilized to the observed hyperfine transition and achieves a stability of 2×10-12 for a 1-s averaging time. The absolute frequency of the light source stabilized on the a1 component of the R(37)16–1 transition is determined as 518304551833 (2) kHz. This transition serves as a frequency reference for the 1 S 03 P 0 optical clock transition in neutral ytterbium (Yb).

©2009 Optical Society of America

1. Introduction

Coherent light sources in the visible region are important for a number of scientific and technical applications including metrology, remote sensing, communications and biotechnology. It is especially important to find stable light sources for high-resolution spectroscopy and metrology applications. Laser-diode (LD)-pumped solid-state lasers and fiber lasers have excellent frequency characteristics but are only available at certain limited wavelengths around 1–1.5 μm. LD based sources can be controlled in their frequency using relatively simple means and LD’s can cover wavelengths of around 400 nm and longer than 600 nm. However, some interesting spectroscopic targets, for example the Yb [1] and Hg+ [2] systems, employ lasers in the 500 – 600 nm region to reach critical transitions. Molecular iodine also has a series of absorption lines in this wavelength region [3]. Dye lasers are usually used in such systems. However dye lasers are difficult to handle and considerable effort is needed to narrow the linewidth, therefore we need to establish an alternative light source.

At the 2006 Conference on Lasers and Electro-optics (CLEO), we proposed a sum-frequency generation (SFG) scheme for the clock transition of Yb at 578 nm [4]. We used a 1319-nm Nd:YAG laser and a 1030-nm Yb-doped fiber laser to generate the SFG light. A similar idea was also adopted by a group at the National Institute of Standards and Technology (NIST) for the Yb clock transition [5]. Recently, a diode laser system was developed at 1156 nm that provides a second-harmonic-generation (SHG) power of more than 3 mW at 578 nm [6]. With the SFG scheme, an initial linewidth of ~ kHz can be easily obtained by using monolithic-cavity solid-state lasers [7] (a 1319-nm Nd:YAG laser and a 1030-nm Yb:YAG laser [8]), but with the cost of preparing two lasers. On the other hand, with the SHG scheme, the initial linewidth of a diode laser system is usually ~ 100 kHz, but with a relatively low cost and a fast current control port. Recent excellent results have revealed the potential for using an Yb lattice clock as a next generation optical frequency standard [9–12].

The hyperfine spectrum of iodine is important because many recommended optical frequency standards are based on the hyperfine transitions of molecular iodine [13]. Iodine-stabilized He-Ne lasers are most popular. Iodine-stabilized Nd:YAG lasers have attracted considerable attention owing to their excellent frequency stability and reproducibility [14–16]. Hyperfine transitions of molecular iodine near 532 nm have been studied by several groups with improving accuracy [17–19]. Hyperfine transitions at 660 nm have been studied by using a frequency-doubled Nd:YAG laser at 1319 nm [20]. As indicated in Fig. 1, there are three iodine lines near the 1 S 03 P 0 transition of Yb at 578 nm [3]. The hyperfine transitions of these lines could be important frequency reference lines for Yb atom research. As yet there have been no reports on these hyperfine transitions.

 

Fig. 1. Frequency atlas of the 127I2 transitions near the 1 S 03 P 0 transition of Yb at 578 nm. The relative intensity of iodine is taken from Ref. [3].

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In this paper, we demonstrate the Doppler-free spectroscopy of molecular iodine using an SFG light source at 578 nm. A high conversion efficiency is achieved for SFG with an MgO-doped periodically-poled-lithium-niobate (PPLN) waveguide (WG) device. Saturation spectroscopy is used to observe the Doppler-free spectra of the iodine lines. Frequency stabilization is demonstrated with the SFG light source. The frequency stability is evaluated and the absolute frequency is measured by using an optical frequency comb based on a mode-locked Ti:sapphire laser, which is phase locked to a hydrogen-maser (H-maser). The absolute frequency of the a1 component of the R(37)16–1 transition is found to be 518304551833 (2) kHz. Since the 1 S 03 P 0 optical clock transition in neutral Yb is very weak, a nearby frequency reference line is particularly helpful, especially for atomic physics laboratories that have no optical frequency comb.

2. Experimental setup

Figure 2 is a schematic diagram of the experimental setup. The 1319-nm Nd:YAG laser with a monolithic ring cavity has a linewidth of ~ kHz. The laser emits about 900 mW of power in free space. The 1030-nm Yb DFB fiber laser has a linewidth of ~ 10 kHz. The laser emits about 200 mW of power in an optical fiber. The 1319-nm light was coupled into a polarization-maintaining (PM) fiber and combined with the 1030-nm light by using a PM wavelength-division multiplexing (WDM) coupler. Sum frequency mixing was then obtained in the PPLN-WG device connected to the WDM coupler. The PPLN-WG device was designed to have a PM fiber pigtail so that the output from the WDM fiber coupler is directly connected to the fiber pigtail thus realizing stable long-term operation. The generated 578-nm SFG light was collimated by using an objective lens and was separated out from the original 1319-nm and 1030-nm lights by using a pair of dichroic mirrors.

A λ/2 plate was used to rotate the beam polarization plane such that a polarization beam splitter (PBS1) divided the 578-nm beam with an appropriate ratio into an optical frequency comb and an iodine spectrometer. The frequency comb was based on a mode-locked Ti:sapphire laser, which was self-referenced and phase locked to an H-maser. We have previously used Ti:sapphire combs to measure the absolute frequencies of an iodine-stabilized Nd:YAG laser, an iodine-stabilized He-Ne laser, an acetylene-stabilized laser, and a Sr optical lattice clock [21–24].

The Doppler-free spectroscopy of molecular iodine was based on the modulation transfer technique [14, 25] of saturation spectroscopy. A half-wave plate and another polarization beam splitter (PBS2) were introduced to adjust the power ratio of the pump and probe beams in the spectrometer. The pump beam was frequency shifted by an acousto-optic modulator and was phase modulated by an electro-optic modulator. The acousto-optic modulator worked as an optical isolator to prevent interferometric baseline problems in the iodine spectrometer. The pump and probe beams were overlapped to provide counterpropagating beams within a 45-cm-long iodine cell. The unmodulated probe beam passed through the iodine cell and developed sidebands as a result of nonlinear resonant four-wave mixing when saturation occurred. This probe beam was steered by a third polarization beam splitter (PBS3) onto a photo detector. We obtained the modulation transfer signal of the spectral lines by demodulating the signal from the detector. The servo signal was fed back to the piezoelectric transducer actuator of the 1030-nm Yb fiber laser.

 

Fig. 2. Schematic diagram of the experimental setup. PM fiber, polarization-maintaining fiber; WDM, wavelength-division multiplexing; PPLN, periodically poled lithium niobate; WG, waveguide; DM, dichroic mirror; PBS1, PBS2, PBS3, polarization beam splitters; AOM, acousto-optic modulator; EOM, electro-optic modulator; D, detector.

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3. Experimental results

3.1 Sum-frequency generation

Figure 3 shows the measured relation between the input power of the 1030-nm Yb fiber laser and the SFG output power at 578 nm, when the input power of the 1319-nm Nd:YAG laser was 40 mW. The indicated input powers of the two IR lasers were measured separately after the PPLN-WG (when there was no SFG). The SFG power at 578 nm was measured after the PPLN-WG with an extinction ratio between the SFG and the IR lights of more than 10-3 using a pair of dichroic mirrors. An SFG power of 22 mW was obtained using the 1319-nm and 1030-nm lasers with input powers of 40 mW and 25 mW, respectively. The PPLN-WG was 20 mm long. This corresponds to a normalized conversion coefficient of 550 %W-1cm-2. The inset in Fig. 3 shows the measured phase-matching curve of the SFG when the temperature of the crystal was varied. The observed full width of the phase-matching curve was about 2 °C. This means no critical temperature control is needed for the PPLN-WG device.

 

Fig. 3. Relation between the input power of the 1030-nm Yb fiber laser and the SFG output power at 578 nm, when the input power of the 1319-nm Nd: YAG laser was 40 mW. The inset shows the phase-matching curve of the SFG when the temperature of the crystal was varied.

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3.2 Saturation spectroscopy of molecular iodine

Figure 4 shows the observed hyperfine transitions of the R(37)16–1 line. In this case, the frequency of the 1319-nm Nd:YAG laser was stabilized to an iodine line at 660 nm using its second harmonics [20]. We obtained a continuous frequency scan across the hyperfine transitions of the R(37)16–1 line at 578 nm by tuning the PZT of the 1030-nm Yb fiber laser. The optical powers of the pump and probe beams in the iodine spectrometer were 2.1 and 0.19 mW, respectively. The diameters of collimated beams inside the cell were ~ 1.5 mm. The cold-finger temperature of the iodine cell was held at - 5 °C, corresponding to an iodine pressure of 2.4 Pa. The temperature of the cell body matched the controlled room temperature of 22 °C. The modulation frequency of the electro-optic modulator was 354 kHz. The pump beam was frequency shifted by 80 MHz by the acousto-optic modulator. For an odd number J of ground rotational states (in this case J″ = 37), the rotational-vibrational energy level was split into 21 sublevels, resulting in 21 hyperfine components. In the observed R(37)16–1 transition, all the 21 hyperfine components are isolated from each other. The inset in Fig. 4 shows a horizontally expanded signal of the a4 component. The signal-to-noise ratio (S/N) of the a4 component was approximately 130 in a bandwidth of 10 Hz. The linewidth of the a4 component was ~ 760 kHz. The frequency stability (standard deviation) is estimated to be 5.8 kHz for a 0.1-s averaging time from the observed S/N and linewidth. This corresponds to a fractional frequency stability of 1.1×10-11 at a 0.1-s averaging time. The flat baseline of the observed spectra in the present experiment is important as regards minimizing the frequency instability.

From the observed smooth hyperfine line, we can confirm the small frequency jitter and linewidth of the SFG light source. The hyperfine structure could not be fully resolved with a usual dye laser.

 

Fig. 4. Doppler-free spectra of the R(37)16–1 transition of molecular iodine. All 21 hyperfine components are isolated. The inset shows the horizontally expanded signal of the a4 hyperfine component.

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3.3 Frequency stabilization and absolute frequency measurement

The frequency of the SFG light source is stabilized by servo-controlling the 1030-nm Yb fiber laser using the observed hyperfine transitions. In this case, the 1319-nm Nd:YAG laser can be either frequency stabilized or free running. The frequency stability of the SFG light source was measured by using an optical frequency comb. In Fig. 5, the solid curve with solid circles indicates the root Allan variance (Allan deviation) of the measured beat frequency between the SFG light locked on the R(37)16–1:a1 transition and the comb locked on the H-maser. The beat frequency was measured by using a frequency counter (Agilent 53132A) with an internal filter function.

Since the stability of the H-maser-based comb (shown as a dashed curve in Fig. 5) was better than that of the iodine-stabilized SFG light source, the observed stability of the measured beat frequency was mainly limited by the frequency stability of the SFG light source. The frequency stability of the SFG laser was 2×10-12 for a 1-s averaging time (τ), improving toward the 7×10-13 level after 10 s. At τ > 10 s, the Allan deviation of the SFG laser appears to reach the flicker floor of the system. We will investigate the reason of the flicker and improve the long-term stability of the system in future experiments. For comparison, the Allan deviations of iodine-stabilized Nd:YAG lasers at 532 nm [16] and 660 nm [20] are also shown in Fig. 5 by the dotted and solid lines, respectively. At a 1-s averaging time, the laser stability is basically determined by the S/N and the linewidth of the observed transition. The observed frequency stability is found to be comparable to the estimated frequency stability for the a4 component using the 1/τ1/2 slope. Stronger lines [3] with a narrower linewidth [26] have been observed when the wavelength is closer to 500 nm, which is the dissociation limit of molecular iodine. This means that a frequency-stabilized laser using an iodine transition closer to 500 nm has better short-term frequency stability. The observed 1-s frequency stability of our iodine-stabilized lasers at different wavelengths follows this trend.

We performed absolute frequency measurements with the iodine-stabilized SFG light source. The laser was locked on the a1 component of the R(37)16–1 transition. The operation conditions of the iodine spectrometer, such as optical powers of the pump and probe beams and the cold-finger temperature, are same as described in Section 3.2. The R(37)16–1 transition was selected because it is close to the 1 S 03 P 0 optical clock transition of Yb and is well isolated from other iodine lines (as shown Fig. 1). The a1 hyperfine component was selected because it is the closest to the Yb optical clock transition of all the hyperfine components of the R(37)16–1 transition. The measured frequency of the R(37)16–1:a1 hyperfine transition is 518304551833 kHz. This was calculated from 1000 values of beat frequency data, where each value was measured with a 1-s gate time by a frequency counter. The frequency reproducibility due to the process of locking and unlocking the laser is the main contributor to the measurement uncertainty, and was investigated to be ~ 2 kHz. The accuracy of the H-maser of the National Metrology Institute of Japan (NMIJ) was calibrated by the Coordinated Universal Time (UTC) and confirmed to be better than 1×10-14 during the measurement.

There is another frequency uncertainty factor and this results from the frequency shift caused by possible cell contamination. An international investigation shows that this could add an uncertainty of 5 kHz to measurement results [13]. In this measurement, we used an iodine cell that had been used in 532-nm international comparisons and had shown an agreement of better than 2 kHz with cells from other institutes [15].

 

Fig. 5. Allan deviation of the measured beat frequency between the SFG light locked on the R(37)16–1:a1 transition and the comb locked on an H-maser. For comparison, the Allan deviations of an H-maser (dashed curve), an iodine-stabilized Nd:YAG laser at 532 nm (dotted curve) [16], and an iodine-stabilized Nd:YAG laser at 660 nm (solid line) [20] are also shown.

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4. Discussion and conclusion

A PPLN-WG is a very attractive device for various applications because of its high nonlinear conversion efficiency and capacity for accepting a fiber pigtailing input. With SFG and DFG applications in particular, the conventional method of using an enhancement cavity requires the double resonance of both input lights to achieve high conversion efficiency. This technical difficulty can be overcome by using a PPLN-WG device. As other examples of its use, 1064-nm and 1319-nm Nd:YAG lasers are used for SFG at 589 nm, where sodium D lines are available. On the other hand, a 1064-nm Nd:YAG laser and a 1.5-μm laser diode are used for DFG at 3 μm, where rich absorption lines are available with a number of molecules including CH4. It is worth noting here that the recently developed ridge PPLN WG [27, 28] has not only a higher conversion efficiency but also a higher damage threshold and better long-term reliability than a proton-exchanged PPLN WG [29]. We have experienced the damage of proton-exchanged PPLN WG within a single day when the output power was about 100 mW. Similar damage has also been observed even when the output power was less than 10 mW but after operation for years.

In the present experiment, a 1030-nm Yb fiber laser was used as one light source for SFG. This light source can be easily replaced by a 1030-nm Yb:YAG laser. The monolithic-cavity Yb:YAG laser has a linewidth of ~ kHz, while the Yb fiber laser has a linewidth of ~ 10 kHz. Frequency jitter is also smaller with the Yb:YAG laser than with the Yb fiber laser. The Yb fiber laser has a wider tuning range of 90 GHz than that of the Yb:YAG laser (40 GHz). Fortunately, the tuning range of the Yb:YAG laser makes it possible to realize SFG with the 1319-nm Nd:YAG laser for applications with both the Yb clock transition and the nearby iodine transitions.

High-resolution spectroscopy of molecular iodine has been employed at 515, 532, 543, 576, 612, 633, 640, and 660 nm with various laser sources. The measured absolute frequency of the iodine hyperfine transition serves as an additional reference at the yellow wavelength. In fact, the measured absolute frequency has been used as a frequency reference by a group at Kyoto University for their Yb project [30].

The frequency measurement of all 21 hyperfine components should lead to a precision measurement of hyperfine splitting (frequency intervals between hyperfine components) of the transition. In terms of molecular physics, it is attractive that accurate hyperfine constants can be obtained from the theoretical fit of precisely measured hyperfine splitting. With accurate measurements of various hyperfine constants, we should be able to derive or improve the formulas for hyperfine constants [31–35]. Research along this line is under way.

In summary, we have developed a stable light source using SFG for high-resolution spectroscopy at 578 nm. The hyperfine transitions of molecular iodine have been observed and used to stabilize the SFG light source. The frequency stability of the SFG light source has reached 2×10-12 for a 1-s averaging time. The absolute frequency the R(37)16–1:a1 hyperfine transition is found to be 518304551833 (2) kHz. This transition serves as an excellent frequency reference in the yellow wavelength region.

Acknowledgments

We are grateful to M. Imae, Y. Fujii and T. Suzuyama for maintaining UTC at NMIJ.

References and Links

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2. S. A. Diddams, T. Udem, J. C. Bergquist, E. A. Curtis, R. E. Drullinger, L. Hollberg, W. M. Itano, W. D. Lee, C. W. Oates, K. R. Vogel, and D. J. Wineland, “An optical clock based on a single trapped 199Hg+ ion,” Science 293, 825–828 (2001). [CrossRef]   [PubMed]  

3. S. Gerstenkorn and P. Luc, Atlas Du Spectre D’Absorption de la Molecule D’Iode (Editions de CNRS, Paris, 1978). F.-L. Hong, M. Yasuda, and A. Onae, “A light source for the 1S03P0 optical clock transition in ytterbium,” in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies, Technical Digest (CD) (Optical Society of America, 2006), paper CMF4, http://www.opticsinfobase.org/abstract.cfm?URI=CLEO-2006-CMF4

4. C. W. Oates, Z. W. Barber, J. E. Stalnaker, C. W. Hoyt, T. M. Fortier, S. A. Diddams, and L. Hollberg, “Stable laser system for probing the clock transition at 578 nm in neutral ytterbium,” Proc. 2007 IEEE Int. Freq. Cont. Symp./21st Europ. Freq. Time Forum , Vols 1–4, 1274–1277 (2007). [CrossRef]  

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References

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  1. S. G. Porsev, A. Derevianko, and E. N. Fortson, “Possibility of an optical clock using the 6 1S0 – 6 3P0 transition in 171,173Yb atoms held in an optical lattice,” Phys. Rev. A 69, 021403(R) (2004).
    [Crossref]
  2. S. A. Diddams, T. Udem, J. C. Bergquist, E. A. Curtis, R. E. Drullinger, L. Hollberg, W. M. Itano, W. D. Lee, C. W. Oates, K. R. Vogel, and D. J. Wineland, “An optical clock based on a single trapped 199Hg+ ion,” Science 293, 825–828 (2001).
    [Crossref] [PubMed]
  3. S. Gerstenkorn and P. Luc, Atlas Du Spectre D’Absorption de la Molecule D’Iode (Editions de CNRS, Paris, 1978). F.-L. Hong, M. Yasuda, and A. Onae, “A light source for the 1S0 – 3P0 optical clock transition in ytterbium,” in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies, Technical Digest (CD) (Optical Society of America, 2006), paper CMF4, http://www.opticsinfobase.org/abstract.cfm?URI=CLEO-2006-CMF4
  4. C. W. Oates, Z. W. Barber, J. E. Stalnaker, C. W. Hoyt, T. M. Fortier, S. A. Diddams, and L. Hollberg, “Stable laser system for probing the clock transition at 578 nm in neutral ytterbium,” Proc. 2007 IEEE Int. Freq. Cont. Symp./21st Europ. Freq. Time Forum, Vols  1–4, 1274–1277 (2007).
    [Crossref]
  5. A. Y. Nevsky, U. Bressel, I. Ernsting, C. Eisele, M. Okhapkin, S. Schiller, A. Gubenko, D. Livshits, S. Mikhrin, I. Krestnikov, and A. Kovsh, “A narrow-line-width external cavity quantum dot laser for high-resolution spectroscopy in the near infrared and yellow spectral ranges,” Appl. Phy. B 92, 501–507 (2008).
    [Crossref]
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    [Crossref] [PubMed]
  8. C. W. Hoyt, Z. W. Barber, C. W. Oates, T. M. Fortier, S. A. Diddams, and L. Hollberg, “Observation and absolute frequency measurements of the 1S0 – 3P0 optical clock transition in neutral ytterbium,” Phys. Rev. Lett. 95, 083003 (2005).
    [Crossref] [PubMed]
  9. Z. W. Barber, C. W. Hoyt, C. W. Oates, L. Hollberg, A. V. Taichenachev, and V. I. Yudin, “Direct excitation of the forbidden clock transition in neutral 174Yb atoms confined to an optical lattice,” Phys. Rev. Lett. 96, 083002 (2006).
    [Crossref] [PubMed]
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  14. F.-L. Hong, J. Ishikawa, Z. Y. Bi, J. Zhang, K. Seta, A. Onae, J. Yoda, and H. Matsumoto, “Portable I2-stabilized Nd : YAG laser for international comparisons,” IEEE Trans. Instrum. Meas. 50, 486–489 (2001).
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  15. F.-L. Hong, J. Ishikawa, Y. Zhang, R. X. Guo, A. Onae, and H. Matsumoto, “Frequency reproducibility of an iodine-stabilized Nd : YAG laser at 532 nm,” Opt. Commun. 235, 377–385 (2004).
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  17. J. Ye, L. Robertsson, S. Picard, L. S. Ma, and J. L. Hall, “Absolute frequency atlas of molecular I2 lines at 532 nm,” IEEE Trans. Instrum. Meas. 48, 544–549 (1999).
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  18. F.-L. Hong and J. Ishikawa, “Hyperfine structures of the R(122) 35-0 and P(84) 33-0 transitions 127I2 near 532 nm,” Opt. Commun. 183, 101–108 (2000).
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  22. F.-L. Hong, A. Onae, J. Jiang, R. X. Guo, H. Inaba, K. Minoshima, T. R. Schibli, and H. Matsumoto, “Absolute frequency measurement of an acetylene-stabilized laser at 1542 nm,” Opt. Lett. 28, 2324–2326 (2003).
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  23. F.-L. Hong, M. Takamoto, R. Higashi, Y. Fukuyama, J. Jiang, and H. Katori, “Frequency measurement of a Sr lattice clock using an SI-second-referenced optical frequency comb linked by a global positioning system (GPS),” Opt. Express 13, 5253–5262 (2005).
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  27. M. Iwai, T. Yoshino, S. Yamaguchi, M. Imaeda, N. Pavel, I. Shoji, and T. Taira, “High-power blue generation from a periodically poled MgO:LiNbO3 ridge-type waveguide by frequency doubling of a diode end-pumped Nd:Y3Al5O12 laser,” Appl. Phys. Lett. 83, 3659–3661 (2003).
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  31. F.-L. Hong, J. Ishikawa, A. Onae, and H. Matsumoto, “Rotation dependence of the excited-state electric quadrupole hyperfine interaction by high-resolution laser spectroscopy of 127I2,” J. Opt. Soc. Am. B 18, 1416–1422 (2001).
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2008 (3)

A. Y. Nevsky, U. Bressel, I. Ernsting, C. Eisele, M. Okhapkin, S. Schiller, A. Gubenko, D. Livshits, S. Mikhrin, I. Krestnikov, and A. Kovsh, “A narrow-line-width external cavity quantum dot laser for high-resolution spectroscopy in the near infrared and yellow spectral ranges,” Appl. Phy. B 92, 501–507 (2008).
[Crossref]

Z. W. Barber, J. E. Stalnaker, N. D. Lemke, N. Poli, C. W. Oates, T. M. Fortier, S. A. Diddams, L. Hollberg, C. W. Hoyt, A. V. Taichenachev, and V. I. Yudin, “Optical lattice induced light shifts in an Yb atomic clock,” Phys. Rev. Lett. 100, 103002 (2008).
[Crossref] [PubMed]

N. Poli, Z. W. Barber, N. D. Lemke, C. W. Oates, L. S. Ma, J. E. Stalnaker, I. M. Fortier, S. A. Diddams, L. Hollberg, J. C. Bergquist, A. Brusch, S. Jefferts, I. Heavner, and I. Parker, “Frequency evaluation of the doubly forbidden 1S0 – 3P0 transition in bosonic 174Yb,” Phys. Rev. A 77, 050501(R) (2008).
[Crossref]

2007 (1)

C. W. Oates, Z. W. Barber, J. E. Stalnaker, C. W. Hoyt, T. M. Fortier, S. A. Diddams, and L. Hollberg, “Stable laser system for probing the clock transition at 578 nm in neutral ytterbium,” Proc. 2007 IEEE Int. Freq. Cont. Symp./21st Europ. Freq. Time Forum, Vols  1–4, 1274–1277 (2007).
[Crossref]

2006 (3)

Z. W. Barber, C. W. Hoyt, C. W. Oates, L. Hollberg, A. V. Taichenachev, and V. I. Yudin, “Direct excitation of the forbidden clock transition in neutral 174Yb atoms confined to an optical lattice,” Phys. Rev. Lett. 96, 083002 (2006).
[Crossref] [PubMed]

P. Burdack, T. Fox, M. Bode, and I. Freitag, “1 W of stable single-frequency output at 1.03 μm from a novel, monolithic, non-planar Yb:YAG ring laser operating at room temperature,” Opt. Express 14, 4363–4367 (2006).
[Crossref] [PubMed]

K. Sugiyama, F.-L. Hong, J. Ishikawa, A. Onae, T. Ikegami, S. N. Slyusarev, K. Minoshima, H. Matsumoto, H. Inaba, J. C. Knight, W. J. Wadsworth, and P. S. J. Russell, “Optical frequency measurement using chirped-mirror-dispersion-controlled mode-locked Ti:Al2O3 laser,” Jpn. J. Appl. Phys. 45, 5051–5062 (2006).
[Crossref]

2005 (2)

F.-L. Hong, M. Takamoto, R. Higashi, Y. Fukuyama, J. Jiang, and H. Katori, “Frequency measurement of a Sr lattice clock using an SI-second-referenced optical frequency comb linked by a global positioning system (GPS),” Opt. Express 13, 5253–5262 (2005).
[Crossref] [PubMed]

C. W. Hoyt, Z. W. Barber, C. W. Oates, T. M. Fortier, S. A. Diddams, and L. Hollberg, “Observation and absolute frequency measurements of the 1S0 – 3P0 optical clock transition in neutral ytterbium,” Phys. Rev. Lett. 95, 083003 (2005).
[Crossref] [PubMed]

2004 (5)

2003 (4)

M. Asobe, H. Miyazawa, O. Tadanaga, Y. Nishida, and H. Suzuki, “A highly damage-resistant Zn:LiNbO3 ridge waveguide and its application to a polarization-independent wavelength converter,” IEEE J. Quantum Electron. 39, 1327–1333 (2003).
[Crossref]

M. Iwai, T. Yoshino, S. Yamaguchi, M. Imaeda, N. Pavel, I. Shoji, and T. Taira, “High-power blue generation from a periodically poled MgO:LiNbO3 ridge-type waveguide by frequency doubling of a diode end-pumped Nd:Y3Al5O12 laser,” Appl. Phys. Lett. 83, 3659–3661 (2003).
[Crossref]

F.-L. Hong, A. Onae, J. Jiang, R. X. Guo, H. Inaba, K. Minoshima, T. R. Schibli, and H. Matsumoto, “Absolute frequency measurement of an acetylene-stabilized laser at 1542 nm,” Opt. Lett. 28, 2324–2326 (2003).
[Crossref] [PubMed]

T. J. Quinn, “Practical realization of the definition of the metre, including recommended radiations of other optical frequency standards (2001),” Metrologia 40, 103–133 (2003).
[Crossref]

2002 (4)

2001 (4)

F.-L. Hong, J. Ye, L. S. Ma, S. Picard, C. J. Borde, and J. L. Hall, “Rotation dependence of electric quadrupole hyperfine interaction in the ground state of molecular iodine by high-resolution laser spectroscopy,” J. Opt. Soc. Am. B 18, 379–387 (2001).
[Crossref]

F.-L. Hong, J. Ishikawa, A. Onae, and H. Matsumoto, “Rotation dependence of the excited-state electric quadrupole hyperfine interaction by high-resolution laser spectroscopy of 127I2,” J. Opt. Soc. Am. B 18, 1416–1422 (2001).
[Crossref]

F.-L. Hong, J. Ishikawa, Z. Y. Bi, J. Zhang, K. Seta, A. Onae, J. Yoda, and H. Matsumoto, “Portable I2-stabilized Nd : YAG laser for international comparisons,” IEEE Trans. Instrum. Meas. 50, 486–489 (2001).
[Crossref]

S. A. Diddams, T. Udem, J. C. Bergquist, E. A. Curtis, R. E. Drullinger, L. Hollberg, W. M. Itano, W. D. Lee, C. W. Oates, K. R. Vogel, and D. J. Wineland, “An optical clock based on a single trapped 199Hg+ ion,” Science 293, 825–828 (2001).
[Crossref] [PubMed]

2000 (1)

F.-L. Hong and J. Ishikawa, “Hyperfine structures of the R(122) 35-0 and P(84) 33-0 transitions 127I2 near 532 nm,” Opt. Commun. 183, 101–108 (2000).
[Crossref]

1999 (1)

J. Ye, L. Robertsson, S. Picard, L. S. Ma, and J. L. Hall, “Absolute frequency atlas of molecular I2 lines at 532 nm,” IEEE Trans. Instrum. Meas. 48, 544–549 (1999).
[Crossref]

1995 (1)

M. L. Eickhoff and J. L. Hall, “Optical frequency standard at 532 nm,” IEEE Trans. Instrum. Meas. 44, 155–158 (1995).
[Crossref]

1993 (1)

1992 (1)

1980 (1)

Arie, A.

Asobe, M.

M. Asobe, H. Miyazawa, O. Tadanaga, Y. Nishida, and H. Suzuki, “A highly damage-resistant Zn:LiNbO3 ridge waveguide and its application to a polarization-independent wavelength converter,” IEEE J. Quantum Electron. 39, 1327–1333 (2003).
[Crossref]

Barber, Z. W.

Z. W. Barber, J. E. Stalnaker, N. D. Lemke, N. Poli, C. W. Oates, T. M. Fortier, S. A. Diddams, L. Hollberg, C. W. Hoyt, A. V. Taichenachev, and V. I. Yudin, “Optical lattice induced light shifts in an Yb atomic clock,” Phys. Rev. Lett. 100, 103002 (2008).
[Crossref] [PubMed]

N. Poli, Z. W. Barber, N. D. Lemke, C. W. Oates, L. S. Ma, J. E. Stalnaker, I. M. Fortier, S. A. Diddams, L. Hollberg, J. C. Bergquist, A. Brusch, S. Jefferts, I. Heavner, and I. Parker, “Frequency evaluation of the doubly forbidden 1S0 – 3P0 transition in bosonic 174Yb,” Phys. Rev. A 77, 050501(R) (2008).
[Crossref]

C. W. Oates, Z. W. Barber, J. E. Stalnaker, C. W. Hoyt, T. M. Fortier, S. A. Diddams, and L. Hollberg, “Stable laser system for probing the clock transition at 578 nm in neutral ytterbium,” Proc. 2007 IEEE Int. Freq. Cont. Symp./21st Europ. Freq. Time Forum, Vols  1–4, 1274–1277 (2007).
[Crossref]

Z. W. Barber, C. W. Hoyt, C. W. Oates, L. Hollberg, A. V. Taichenachev, and V. I. Yudin, “Direct excitation of the forbidden clock transition in neutral 174Yb atoms confined to an optical lattice,” Phys. Rev. Lett. 96, 083002 (2006).
[Crossref] [PubMed]

C. W. Hoyt, Z. W. Barber, C. W. Oates, T. M. Fortier, S. A. Diddams, and L. Hollberg, “Observation and absolute frequency measurements of the 1S0 – 3P0 optical clock transition in neutral ytterbium,” Phys. Rev. Lett. 95, 083003 (2005).
[Crossref] [PubMed]

Bergquist, J. C.

N. Poli, Z. W. Barber, N. D. Lemke, C. W. Oates, L. S. Ma, J. E. Stalnaker, I. M. Fortier, S. A. Diddams, L. Hollberg, J. C. Bergquist, A. Brusch, S. Jefferts, I. Heavner, and I. Parker, “Frequency evaluation of the doubly forbidden 1S0 – 3P0 transition in bosonic 174Yb,” Phys. Rev. A 77, 050501(R) (2008).
[Crossref]

S. A. Diddams, T. Udem, J. C. Bergquist, E. A. Curtis, R. E. Drullinger, L. Hollberg, W. M. Itano, W. D. Lee, C. W. Oates, K. R. Vogel, and D. J. Wineland, “An optical clock based on a single trapped 199Hg+ ion,” Science 293, 825–828 (2001).
[Crossref] [PubMed]

Bi, Z. Y.

Bjorklund, G. C.

Bode, M.

Borde, C. J.

Bressel, U.

A. Y. Nevsky, U. Bressel, I. Ernsting, C. Eisele, M. Okhapkin, S. Schiller, A. Gubenko, D. Livshits, S. Mikhrin, I. Krestnikov, and A. Kovsh, “A narrow-line-width external cavity quantum dot laser for high-resolution spectroscopy in the near infrared and yellow spectral ranges,” Appl. Phy. B 92, 501–507 (2008).
[Crossref]

Brusch, A.

N. Poli, Z. W. Barber, N. D. Lemke, C. W. Oates, L. S. Ma, J. E. Stalnaker, I. M. Fortier, S. A. Diddams, L. Hollberg, J. C. Bergquist, A. Brusch, S. Jefferts, I. Heavner, and I. Parker, “Frequency evaluation of the doubly forbidden 1S0 – 3P0 transition in bosonic 174Yb,” Phys. Rev. A 77, 050501(R) (2008).
[Crossref]

Burdack, P.

Byer, R. L.

Chen, L.

Chen, L. S.

Cheng, W. Y.

Cheng, W.-Y.

Curtis, E. A.

S. A. Diddams, T. Udem, J. C. Bergquist, E. A. Curtis, R. E. Drullinger, L. Hollberg, W. M. Itano, W. D. Lee, C. W. Oates, K. R. Vogel, and D. J. Wineland, “An optical clock based on a single trapped 199Hg+ ion,” Science 293, 825–828 (2001).
[Crossref] [PubMed]

Derevianko, A.

S. G. Porsev, A. Derevianko, and E. N. Fortson, “Possibility of an optical clock using the 6 1S0 – 6 3P0 transition in 171,173Yb atoms held in an optical lattice,” Phys. Rev. A 69, 021403(R) (2004).
[Crossref]

Diddams, S.

Diddams, S. A.

N. Poli, Z. W. Barber, N. D. Lemke, C. W. Oates, L. S. Ma, J. E. Stalnaker, I. M. Fortier, S. A. Diddams, L. Hollberg, J. C. Bergquist, A. Brusch, S. Jefferts, I. Heavner, and I. Parker, “Frequency evaluation of the doubly forbidden 1S0 – 3P0 transition in bosonic 174Yb,” Phys. Rev. A 77, 050501(R) (2008).
[Crossref]

Z. W. Barber, J. E. Stalnaker, N. D. Lemke, N. Poli, C. W. Oates, T. M. Fortier, S. A. Diddams, L. Hollberg, C. W. Hoyt, A. V. Taichenachev, and V. I. Yudin, “Optical lattice induced light shifts in an Yb atomic clock,” Phys. Rev. Lett. 100, 103002 (2008).
[Crossref] [PubMed]

C. W. Oates, Z. W. Barber, J. E. Stalnaker, C. W. Hoyt, T. M. Fortier, S. A. Diddams, and L. Hollberg, “Stable laser system for probing the clock transition at 578 nm in neutral ytterbium,” Proc. 2007 IEEE Int. Freq. Cont. Symp./21st Europ. Freq. Time Forum, Vols  1–4, 1274–1277 (2007).
[Crossref]

C. W. Hoyt, Z. W. Barber, C. W. Oates, T. M. Fortier, S. A. Diddams, and L. Hollberg, “Observation and absolute frequency measurements of the 1S0 – 3P0 optical clock transition in neutral ytterbium,” Phys. Rev. Lett. 95, 083003 (2005).
[Crossref] [PubMed]

S. A. Diddams, T. Udem, J. C. Bergquist, E. A. Curtis, R. E. Drullinger, L. Hollberg, W. M. Itano, W. D. Lee, C. W. Oates, K. R. Vogel, and D. J. Wineland, “An optical clock based on a single trapped 199Hg+ ion,” Science 293, 825–828 (2001).
[Crossref] [PubMed]

Drullinger, R. E.

S. A. Diddams, T. Udem, J. C. Bergquist, E. A. Curtis, R. E. Drullinger, L. Hollberg, W. M. Itano, W. D. Lee, C. W. Oates, K. R. Vogel, and D. J. Wineland, “An optical clock based on a single trapped 199Hg+ ion,” Science 293, 825–828 (2001).
[Crossref] [PubMed]

Eickhoff, M. L.

M. L. Eickhoff and J. L. Hall, “Optical frequency standard at 532 nm,” IEEE Trans. Instrum. Meas. 44, 155–158 (1995).
[Crossref]

Eisele, C.

A. Y. Nevsky, U. Bressel, I. Ernsting, C. Eisele, M. Okhapkin, S. Schiller, A. Gubenko, D. Livshits, S. Mikhrin, I. Krestnikov, and A. Kovsh, “A narrow-line-width external cavity quantum dot laser for high-resolution spectroscopy in the near infrared and yellow spectral ranges,” Appl. Phy. B 92, 501–507 (2008).
[Crossref]

Ernsting, I.

A. Y. Nevsky, U. Bressel, I. Ernsting, C. Eisele, M. Okhapkin, S. Schiller, A. Gubenko, D. Livshits, S. Mikhrin, I. Krestnikov, and A. Kovsh, “A narrow-line-width external cavity quantum dot laser for high-resolution spectroscopy in the near infrared and yellow spectral ranges,” Appl. Phy. B 92, 501–507 (2008).
[Crossref]

Fejer, M. M.

Fortier, I. M.

N. Poli, Z. W. Barber, N. D. Lemke, C. W. Oates, L. S. Ma, J. E. Stalnaker, I. M. Fortier, S. A. Diddams, L. Hollberg, J. C. Bergquist, A. Brusch, S. Jefferts, I. Heavner, and I. Parker, “Frequency evaluation of the doubly forbidden 1S0 – 3P0 transition in bosonic 174Yb,” Phys. Rev. A 77, 050501(R) (2008).
[Crossref]

Fortier, T. M.

Z. W. Barber, J. E. Stalnaker, N. D. Lemke, N. Poli, C. W. Oates, T. M. Fortier, S. A. Diddams, L. Hollberg, C. W. Hoyt, A. V. Taichenachev, and V. I. Yudin, “Optical lattice induced light shifts in an Yb atomic clock,” Phys. Rev. Lett. 100, 103002 (2008).
[Crossref] [PubMed]

C. W. Oates, Z. W. Barber, J. E. Stalnaker, C. W. Hoyt, T. M. Fortier, S. A. Diddams, and L. Hollberg, “Stable laser system for probing the clock transition at 578 nm in neutral ytterbium,” Proc. 2007 IEEE Int. Freq. Cont. Symp./21st Europ. Freq. Time Forum, Vols  1–4, 1274–1277 (2007).
[Crossref]

C. W. Hoyt, Z. W. Barber, C. W. Oates, T. M. Fortier, S. A. Diddams, and L. Hollberg, “Observation and absolute frequency measurements of the 1S0 – 3P0 optical clock transition in neutral ytterbium,” Phys. Rev. Lett. 95, 083003 (2005).
[Crossref] [PubMed]

Fortson, E. N.

S. G. Porsev, A. Derevianko, and E. N. Fortson, “Possibility of an optical clock using the 6 1S0 – 6 3P0 transition in 171,173Yb atoms held in an optical lattice,” Phys. Rev. A 69, 021403(R) (2004).
[Crossref]

Fox, T.

Freitag, I.

Fujimura, M.

Fukuyama, Y.

Gerstenkorn, S.

S. Gerstenkorn and P. Luc, Atlas Du Spectre D’Absorption de la Molecule D’Iode (Editions de CNRS, Paris, 1978). F.-L. Hong, M. Yasuda, and A. Onae, “A light source for the 1S0 – 3P0 optical clock transition in ytterbium,” in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies, Technical Digest (CD) (Optical Society of America, 2006), paper CMF4, http://www.opticsinfobase.org/abstract.cfm?URI=CLEO-2006-CMF4

Gubenko, A.

A. Y. Nevsky, U. Bressel, I. Ernsting, C. Eisele, M. Okhapkin, S. Schiller, A. Gubenko, D. Livshits, S. Mikhrin, I. Krestnikov, and A. Kovsh, “A narrow-line-width external cavity quantum dot laser for high-resolution spectroscopy in the near infrared and yellow spectral ranges,” Appl. Phy. B 92, 501–507 (2008).
[Crossref]

Guo, R. X.

Gustafson, E. K.

Hall, J. L.

Heavner, I.

N. Poli, Z. W. Barber, N. D. Lemke, C. W. Oates, L. S. Ma, J. E. Stalnaker, I. M. Fortier, S. A. Diddams, L. Hollberg, J. C. Bergquist, A. Brusch, S. Jefferts, I. Heavner, and I. Parker, “Frequency evaluation of the doubly forbidden 1S0 – 3P0 transition in bosonic 174Yb,” Phys. Rev. A 77, 050501(R) (2008).
[Crossref]

Higashi, R.

Hirata, J.

Hollberg, L.

N. Poli, Z. W. Barber, N. D. Lemke, C. W. Oates, L. S. Ma, J. E. Stalnaker, I. M. Fortier, S. A. Diddams, L. Hollberg, J. C. Bergquist, A. Brusch, S. Jefferts, I. Heavner, and I. Parker, “Frequency evaluation of the doubly forbidden 1S0 – 3P0 transition in bosonic 174Yb,” Phys. Rev. A 77, 050501(R) (2008).
[Crossref]

Z. W. Barber, J. E. Stalnaker, N. D. Lemke, N. Poli, C. W. Oates, T. M. Fortier, S. A. Diddams, L. Hollberg, C. W. Hoyt, A. V. Taichenachev, and V. I. Yudin, “Optical lattice induced light shifts in an Yb atomic clock,” Phys. Rev. Lett. 100, 103002 (2008).
[Crossref] [PubMed]

C. W. Oates, Z. W. Barber, J. E. Stalnaker, C. W. Hoyt, T. M. Fortier, S. A. Diddams, and L. Hollberg, “Stable laser system for probing the clock transition at 578 nm in neutral ytterbium,” Proc. 2007 IEEE Int. Freq. Cont. Symp./21st Europ. Freq. Time Forum, Vols  1–4, 1274–1277 (2007).
[Crossref]

Z. W. Barber, C. W. Hoyt, C. W. Oates, L. Hollberg, A. V. Taichenachev, and V. I. Yudin, “Direct excitation of the forbidden clock transition in neutral 174Yb atoms confined to an optical lattice,” Phys. Rev. Lett. 96, 083002 (2006).
[Crossref] [PubMed]

C. W. Hoyt, Z. W. Barber, C. W. Oates, T. M. Fortier, S. A. Diddams, and L. Hollberg, “Observation and absolute frequency measurements of the 1S0 – 3P0 optical clock transition in neutral ytterbium,” Phys. Rev. Lett. 95, 083003 (2005).
[Crossref] [PubMed]

S. A. Diddams, T. Udem, J. C. Bergquist, E. A. Curtis, R. E. Drullinger, L. Hollberg, W. M. Itano, W. D. Lee, C. W. Oates, K. R. Vogel, and D. J. Wineland, “An optical clock based on a single trapped 199Hg+ ion,” Science 293, 825–828 (2001).
[Crossref] [PubMed]

Hong, F.-L.

K. Sugiyama, F.-L. Hong, J. Ishikawa, A. Onae, T. Ikegami, S. N. Slyusarev, K. Minoshima, H. Matsumoto, H. Inaba, J. C. Knight, W. J. Wadsworth, and P. S. J. Russell, “Optical frequency measurement using chirped-mirror-dispersion-controlled mode-locked Ti:Al2O3 laser,” Jpn. J. Appl. Phys. 45, 5051–5062 (2006).
[Crossref]

F.-L. Hong, M. Takamoto, R. Higashi, Y. Fukuyama, J. Jiang, and H. Katori, “Frequency measurement of a Sr lattice clock using an SI-second-referenced optical frequency comb linked by a global positioning system (GPS),” Opt. Express 13, 5253–5262 (2005).
[Crossref] [PubMed]

F.-L. Hong, S. Diddams, R. X. Guo, Z. Y. Bi, A. Onae, H. Inaba, J. Ishikawa, K. Okumura, D. Katsuragi, J. Hirata, T. Shimizu, T. Kurosu, Y. Koga, and H. Matsumoto, “Frequency measurements and hyperfine structure of the R(85)33-0 transition of molecular iodine with a femtosecond optical comb,” J. Opt. Soc. Am. B 21, 88–95 (2004).
[Crossref]

R. X. Guo, F.-L. Hong, A. Onae, Z. Y. Bi, H. Matsumoto, and K. Nakagawa, “Frequency stabilization of a 1319-nm Nd:YAG laser by saturation spectroscopy of molecular iodine,” Opt. Lett. 29, 1733–1735 (2004).
[Crossref] [PubMed]

F.-L. Hong, J. Ishikawa, Y. Zhang, R. X. Guo, A. Onae, and H. Matsumoto, “Frequency reproducibility of an iodine-stabilized Nd : YAG laser at 532 nm,” Opt. Commun. 235, 377–385 (2004).
[Crossref]

F.-L. Hong, A. Onae, J. Jiang, R. X. Guo, H. Inaba, K. Minoshima, T. R. Schibli, and H. Matsumoto, “Absolute frequency measurement of an acetylene-stabilized laser at 1542 nm,” Opt. Lett. 28, 2324–2326 (2003).
[Crossref] [PubMed]

F.-L. Hong, Y. Zhang, J. Ishikawa, A. Onae, and H. Matsumoto, “Vibration dependence of the tensor spin-spin and scalar spin-spin hyperfine interactions by precision measurement of hyperfine structures of 127I2 near 532 nm,” J. Opt. Soc. Am. B 19, 946–953 (2002).
[Crossref]

F.-L. Hong, Y. Zhang, J. Ishikawa, A. Onae, and H. Matsumoto, “Hyperfine structure and absolute frequency determination of the R(121)35-0 and P(142)37-0 transitions of 127I2 near 532 nm,” Opt. Commun. 212, 89–95 (2002).
[Crossref]

F.-L. Hong, J. Ishikawa, A. Onae, and H. Matsumoto, “Rotation dependence of the excited-state electric quadrupole hyperfine interaction by high-resolution laser spectroscopy of 127I2,” J. Opt. Soc. Am. B 18, 1416–1422 (2001).
[Crossref]

F.-L. Hong, J. Ye, L. S. Ma, S. Picard, C. J. Borde, and J. L. Hall, “Rotation dependence of electric quadrupole hyperfine interaction in the ground state of molecular iodine by high-resolution laser spectroscopy,” J. Opt. Soc. Am. B 18, 379–387 (2001).
[Crossref]

F.-L. Hong, J. Ishikawa, Z. Y. Bi, J. Zhang, K. Seta, A. Onae, J. Yoda, and H. Matsumoto, “Portable I2-stabilized Nd : YAG laser for international comparisons,” IEEE Trans. Instrum. Meas. 50, 486–489 (2001).
[Crossref]

F.-L. Hong and J. Ishikawa, “Hyperfine structures of the R(122) 35-0 and P(84) 33-0 transitions 127I2 near 532 nm,” Opt. Commun. 183, 101–108 (2000).
[Crossref]

S. Gerstenkorn and P. Luc, Atlas Du Spectre D’Absorption de la Molecule D’Iode (Editions de CNRS, Paris, 1978). F.-L. Hong, M. Yasuda, and A. Onae, “A light source for the 1S0 – 3P0 optical clock transition in ytterbium,” in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies, Technical Digest (CD) (Optical Society of America, 2006), paper CMF4, http://www.opticsinfobase.org/abstract.cfm?URI=CLEO-2006-CMF4

Hoyt, C. W.

Z. W. Barber, J. E. Stalnaker, N. D. Lemke, N. Poli, C. W. Oates, T. M. Fortier, S. A. Diddams, L. Hollberg, C. W. Hoyt, A. V. Taichenachev, and V. I. Yudin, “Optical lattice induced light shifts in an Yb atomic clock,” Phys. Rev. Lett. 100, 103002 (2008).
[Crossref] [PubMed]

C. W. Oates, Z. W. Barber, J. E. Stalnaker, C. W. Hoyt, T. M. Fortier, S. A. Diddams, and L. Hollberg, “Stable laser system for probing the clock transition at 578 nm in neutral ytterbium,” Proc. 2007 IEEE Int. Freq. Cont. Symp./21st Europ. Freq. Time Forum, Vols  1–4, 1274–1277 (2007).
[Crossref]

Z. W. Barber, C. W. Hoyt, C. W. Oates, L. Hollberg, A. V. Taichenachev, and V. I. Yudin, “Direct excitation of the forbidden clock transition in neutral 174Yb atoms confined to an optical lattice,” Phys. Rev. Lett. 96, 083002 (2006).
[Crossref] [PubMed]

C. W. Hoyt, Z. W. Barber, C. W. Oates, T. M. Fortier, S. A. Diddams, and L. Hollberg, “Observation and absolute frequency measurements of the 1S0 – 3P0 optical clock transition in neutral ytterbium,” Phys. Rev. Lett. 95, 083003 (2005).
[Crossref] [PubMed]

Ikegami, T.

K. Sugiyama, F.-L. Hong, J. Ishikawa, A. Onae, T. Ikegami, S. N. Slyusarev, K. Minoshima, H. Matsumoto, H. Inaba, J. C. Knight, W. J. Wadsworth, and P. S. J. Russell, “Optical frequency measurement using chirped-mirror-dispersion-controlled mode-locked Ti:Al2O3 laser,” Jpn. J. Appl. Phys. 45, 5051–5062 (2006).
[Crossref]

Imaeda, M.

M. Iwai, T. Yoshino, S. Yamaguchi, M. Imaeda, N. Pavel, I. Shoji, and T. Taira, “High-power blue generation from a periodically poled MgO:LiNbO3 ridge-type waveguide by frequency doubling of a diode end-pumped Nd:Y3Al5O12 laser,” Appl. Phys. Lett. 83, 3659–3661 (2003).
[Crossref]

Inaba, H.

Ishikawa, J.

K. Sugiyama, F.-L. Hong, J. Ishikawa, A. Onae, T. Ikegami, S. N. Slyusarev, K. Minoshima, H. Matsumoto, H. Inaba, J. C. Knight, W. J. Wadsworth, and P. S. J. Russell, “Optical frequency measurement using chirped-mirror-dispersion-controlled mode-locked Ti:Al2O3 laser,” Jpn. J. Appl. Phys. 45, 5051–5062 (2006).
[Crossref]

F.-L. Hong, S. Diddams, R. X. Guo, Z. Y. Bi, A. Onae, H. Inaba, J. Ishikawa, K. Okumura, D. Katsuragi, J. Hirata, T. Shimizu, T. Kurosu, Y. Koga, and H. Matsumoto, “Frequency measurements and hyperfine structure of the R(85)33-0 transition of molecular iodine with a femtosecond optical comb,” J. Opt. Soc. Am. B 21, 88–95 (2004).
[Crossref]

F.-L. Hong, J. Ishikawa, Y. Zhang, R. X. Guo, A. Onae, and H. Matsumoto, “Frequency reproducibility of an iodine-stabilized Nd : YAG laser at 532 nm,” Opt. Commun. 235, 377–385 (2004).
[Crossref]

F.-L. Hong, Y. Zhang, J. Ishikawa, A. Onae, and H. Matsumoto, “Vibration dependence of the tensor spin-spin and scalar spin-spin hyperfine interactions by precision measurement of hyperfine structures of 127I2 near 532 nm,” J. Opt. Soc. Am. B 19, 946–953 (2002).
[Crossref]

F.-L. Hong, Y. Zhang, J. Ishikawa, A. Onae, and H. Matsumoto, “Hyperfine structure and absolute frequency determination of the R(121)35-0 and P(142)37-0 transitions of 127I2 near 532 nm,” Opt. Commun. 212, 89–95 (2002).
[Crossref]

F.-L. Hong, J. Ishikawa, A. Onae, and H. Matsumoto, “Rotation dependence of the excited-state electric quadrupole hyperfine interaction by high-resolution laser spectroscopy of 127I2,” J. Opt. Soc. Am. B 18, 1416–1422 (2001).
[Crossref]

F.-L. Hong, J. Ishikawa, Z. Y. Bi, J. Zhang, K. Seta, A. Onae, J. Yoda, and H. Matsumoto, “Portable I2-stabilized Nd : YAG laser for international comparisons,” IEEE Trans. Instrum. Meas. 50, 486–489 (2001).
[Crossref]

F.-L. Hong and J. Ishikawa, “Hyperfine structures of the R(122) 35-0 and P(84) 33-0 transitions 127I2 near 532 nm,” Opt. Commun. 183, 101–108 (2000).
[Crossref]

Itano, W. M.

S. A. Diddams, T. Udem, J. C. Bergquist, E. A. Curtis, R. E. Drullinger, L. Hollberg, W. M. Itano, W. D. Lee, C. W. Oates, K. R. Vogel, and D. J. Wineland, “An optical clock based on a single trapped 199Hg+ ion,” Science 293, 825–828 (2001).
[Crossref] [PubMed]

Iwai, M.

M. Iwai, T. Yoshino, S. Yamaguchi, M. Imaeda, N. Pavel, I. Shoji, and T. Taira, “High-power blue generation from a periodically poled MgO:LiNbO3 ridge-type waveguide by frequency doubling of a diode end-pumped Nd:Y3Al5O12 laser,” Appl. Phys. Lett. 83, 3659–3661 (2003).
[Crossref]

Jefferts, S.

N. Poli, Z. W. Barber, N. D. Lemke, C. W. Oates, L. S. Ma, J. E. Stalnaker, I. M. Fortier, S. A. Diddams, L. Hollberg, J. C. Bergquist, A. Brusch, S. Jefferts, I. Heavner, and I. Parker, “Frequency evaluation of the doubly forbidden 1S0 – 3P0 transition in bosonic 174Yb,” Phys. Rev. A 77, 050501(R) (2008).
[Crossref]

Jiang, J.

Katori, H.

Katsuragi, D.

Knight, J. C.

K. Sugiyama, F.-L. Hong, J. Ishikawa, A. Onae, T. Ikegami, S. N. Slyusarev, K. Minoshima, H. Matsumoto, H. Inaba, J. C. Knight, W. J. Wadsworth, and P. S. J. Russell, “Optical frequency measurement using chirped-mirror-dispersion-controlled mode-locked Ti:Al2O3 laser,” Jpn. J. Appl. Phys. 45, 5051–5062 (2006).
[Crossref]

Koga, Y.

Kovsh, A.

A. Y. Nevsky, U. Bressel, I. Ernsting, C. Eisele, M. Okhapkin, S. Schiller, A. Gubenko, D. Livshits, S. Mikhrin, I. Krestnikov, and A. Kovsh, “A narrow-line-width external cavity quantum dot laser for high-resolution spectroscopy in the near infrared and yellow spectral ranges,” Appl. Phy. B 92, 501–507 (2008).
[Crossref]

Krestnikov, I.

A. Y. Nevsky, U. Bressel, I. Ernsting, C. Eisele, M. Okhapkin, S. Schiller, A. Gubenko, D. Livshits, S. Mikhrin, I. Krestnikov, and A. Kovsh, “A narrow-line-width external cavity quantum dot laser for high-resolution spectroscopy in the near infrared and yellow spectral ranges,” Appl. Phy. B 92, 501–507 (2008).
[Crossref]

Kurosu, T.

Kurz, J. R.

Lee, W. D.

S. A. Diddams, T. Udem, J. C. Bergquist, E. A. Curtis, R. E. Drullinger, L. Hollberg, W. M. Itano, W. D. Lee, C. W. Oates, K. R. Vogel, and D. J. Wineland, “An optical clock based on a single trapped 199Hg+ ion,” Science 293, 825–828 (2001).
[Crossref] [PubMed]

Lemke, N. D.

N. Poli, Z. W. Barber, N. D. Lemke, C. W. Oates, L. S. Ma, J. E. Stalnaker, I. M. Fortier, S. A. Diddams, L. Hollberg, J. C. Bergquist, A. Brusch, S. Jefferts, I. Heavner, and I. Parker, “Frequency evaluation of the doubly forbidden 1S0 – 3P0 transition in bosonic 174Yb,” Phys. Rev. A 77, 050501(R) (2008).
[Crossref]

Z. W. Barber, J. E. Stalnaker, N. D. Lemke, N. Poli, C. W. Oates, T. M. Fortier, S. A. Diddams, L. Hollberg, C. W. Hoyt, A. V. Taichenachev, and V. I. Yudin, “Optical lattice induced light shifts in an Yb atomic clock,” Phys. Rev. Lett. 100, 103002 (2008).
[Crossref] [PubMed]

Livshits, D.

A. Y. Nevsky, U. Bressel, I. Ernsting, C. Eisele, M. Okhapkin, S. Schiller, A. Gubenko, D. Livshits, S. Mikhrin, I. Krestnikov, and A. Kovsh, “A narrow-line-width external cavity quantum dot laser for high-resolution spectroscopy in the near infrared and yellow spectral ranges,” Appl. Phy. B 92, 501–507 (2008).
[Crossref]

Luc, P.

S. Gerstenkorn and P. Luc, Atlas Du Spectre D’Absorption de la Molecule D’Iode (Editions de CNRS, Paris, 1978). F.-L. Hong, M. Yasuda, and A. Onae, “A light source for the 1S0 – 3P0 optical clock transition in ytterbium,” in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies, Technical Digest (CD) (Optical Society of America, 2006), paper CMF4, http://www.opticsinfobase.org/abstract.cfm?URI=CLEO-2006-CMF4

Ma, L. S.

N. Poli, Z. W. Barber, N. D. Lemke, C. W. Oates, L. S. Ma, J. E. Stalnaker, I. M. Fortier, S. A. Diddams, L. Hollberg, J. C. Bergquist, A. Brusch, S. Jefferts, I. Heavner, and I. Parker, “Frequency evaluation of the doubly forbidden 1S0 – 3P0 transition in bosonic 174Yb,” Phys. Rev. A 77, 050501(R) (2008).
[Crossref]

F.-L. Hong, J. Ye, L. S. Ma, S. Picard, C. J. Borde, and J. L. Hall, “Rotation dependence of electric quadrupole hyperfine interaction in the ground state of molecular iodine by high-resolution laser spectroscopy,” J. Opt. Soc. Am. B 18, 379–387 (2001).
[Crossref]

J. Ye, L. Robertsson, S. Picard, L. S. Ma, and J. L. Hall, “Absolute frequency atlas of molecular I2 lines at 532 nm,” IEEE Trans. Instrum. Meas. 48, 544–549 (1999).
[Crossref]

Matsumoto, H.

K. Sugiyama, F.-L. Hong, J. Ishikawa, A. Onae, T. Ikegami, S. N. Slyusarev, K. Minoshima, H. Matsumoto, H. Inaba, J. C. Knight, W. J. Wadsworth, and P. S. J. Russell, “Optical frequency measurement using chirped-mirror-dispersion-controlled mode-locked Ti:Al2O3 laser,” Jpn. J. Appl. Phys. 45, 5051–5062 (2006).
[Crossref]

F.-L. Hong, S. Diddams, R. X. Guo, Z. Y. Bi, A. Onae, H. Inaba, J. Ishikawa, K. Okumura, D. Katsuragi, J. Hirata, T. Shimizu, T. Kurosu, Y. Koga, and H. Matsumoto, “Frequency measurements and hyperfine structure of the R(85)33-0 transition of molecular iodine with a femtosecond optical comb,” J. Opt. Soc. Am. B 21, 88–95 (2004).
[Crossref]

R. X. Guo, F.-L. Hong, A. Onae, Z. Y. Bi, H. Matsumoto, and K. Nakagawa, “Frequency stabilization of a 1319-nm Nd:YAG laser by saturation spectroscopy of molecular iodine,” Opt. Lett. 29, 1733–1735 (2004).
[Crossref] [PubMed]

F.-L. Hong, J. Ishikawa, Y. Zhang, R. X. Guo, A. Onae, and H. Matsumoto, “Frequency reproducibility of an iodine-stabilized Nd : YAG laser at 532 nm,” Opt. Commun. 235, 377–385 (2004).
[Crossref]

F.-L. Hong, A. Onae, J. Jiang, R. X. Guo, H. Inaba, K. Minoshima, T. R. Schibli, and H. Matsumoto, “Absolute frequency measurement of an acetylene-stabilized laser at 1542 nm,” Opt. Lett. 28, 2324–2326 (2003).
[Crossref] [PubMed]

F.-L. Hong, Y. Zhang, J. Ishikawa, A. Onae, and H. Matsumoto, “Vibration dependence of the tensor spin-spin and scalar spin-spin hyperfine interactions by precision measurement of hyperfine structures of 127I2 near 532 nm,” J. Opt. Soc. Am. B 19, 946–953 (2002).
[Crossref]

F.-L. Hong, Y. Zhang, J. Ishikawa, A. Onae, and H. Matsumoto, “Hyperfine structure and absolute frequency determination of the R(121)35-0 and P(142)37-0 transitions of 127I2 near 532 nm,” Opt. Commun. 212, 89–95 (2002).
[Crossref]

F.-L. Hong, J. Ishikawa, A. Onae, and H. Matsumoto, “Rotation dependence of the excited-state electric quadrupole hyperfine interaction by high-resolution laser spectroscopy of 127I2,” J. Opt. Soc. Am. B 18, 1416–1422 (2001).
[Crossref]

F.-L. Hong, J. Ishikawa, Z. Y. Bi, J. Zhang, K. Seta, A. Onae, J. Yoda, and H. Matsumoto, “Portable I2-stabilized Nd : YAG laser for international comparisons,” IEEE Trans. Instrum. Meas. 50, 486–489 (2001).
[Crossref]

Mikhrin, S.

A. Y. Nevsky, U. Bressel, I. Ernsting, C. Eisele, M. Okhapkin, S. Schiller, A. Gubenko, D. Livshits, S. Mikhrin, I. Krestnikov, and A. Kovsh, “A narrow-line-width external cavity quantum dot laser for high-resolution spectroscopy in the near infrared and yellow spectral ranges,” Appl. Phy. B 92, 501–507 (2008).
[Crossref]

Minoshima, K.

K. Sugiyama, F.-L. Hong, J. Ishikawa, A. Onae, T. Ikegami, S. N. Slyusarev, K. Minoshima, H. Matsumoto, H. Inaba, J. C. Knight, W. J. Wadsworth, and P. S. J. Russell, “Optical frequency measurement using chirped-mirror-dispersion-controlled mode-locked Ti:Al2O3 laser,” Jpn. J. Appl. Phys. 45, 5051–5062 (2006).
[Crossref]

F.-L. Hong, A. Onae, J. Jiang, R. X. Guo, H. Inaba, K. Minoshima, T. R. Schibli, and H. Matsumoto, “Absolute frequency measurement of an acetylene-stabilized laser at 1542 nm,” Opt. Lett. 28, 2324–2326 (2003).
[Crossref] [PubMed]

Miyazawa, H.

M. Asobe, H. Miyazawa, O. Tadanaga, Y. Nishida, and H. Suzuki, “A highly damage-resistant Zn:LiNbO3 ridge waveguide and its application to a polarization-independent wavelength converter,” IEEE J. Quantum Electron. 39, 1327–1333 (2003).
[Crossref]

Nakagawa, K.

Nevsky, A. Y.

A. Y. Nevsky, U. Bressel, I. Ernsting, C. Eisele, M. Okhapkin, S. Schiller, A. Gubenko, D. Livshits, S. Mikhrin, I. Krestnikov, and A. Kovsh, “A narrow-line-width external cavity quantum dot laser for high-resolution spectroscopy in the near infrared and yellow spectral ranges,” Appl. Phy. B 92, 501–507 (2008).
[Crossref]

Nishida, Y.

M. Asobe, H. Miyazawa, O. Tadanaga, Y. Nishida, and H. Suzuki, “A highly damage-resistant Zn:LiNbO3 ridge waveguide and its application to a polarization-independent wavelength converter,” IEEE J. Quantum Electron. 39, 1327–1333 (2003).
[Crossref]

Oates, C. W.

N. Poli, Z. W. Barber, N. D. Lemke, C. W. Oates, L. S. Ma, J. E. Stalnaker, I. M. Fortier, S. A. Diddams, L. Hollberg, J. C. Bergquist, A. Brusch, S. Jefferts, I. Heavner, and I. Parker, “Frequency evaluation of the doubly forbidden 1S0 – 3P0 transition in bosonic 174Yb,” Phys. Rev. A 77, 050501(R) (2008).
[Crossref]

Z. W. Barber, J. E. Stalnaker, N. D. Lemke, N. Poli, C. W. Oates, T. M. Fortier, S. A. Diddams, L. Hollberg, C. W. Hoyt, A. V. Taichenachev, and V. I. Yudin, “Optical lattice induced light shifts in an Yb atomic clock,” Phys. Rev. Lett. 100, 103002 (2008).
[Crossref] [PubMed]

C. W. Oates, Z. W. Barber, J. E. Stalnaker, C. W. Hoyt, T. M. Fortier, S. A. Diddams, and L. Hollberg, “Stable laser system for probing the clock transition at 578 nm in neutral ytterbium,” Proc. 2007 IEEE Int. Freq. Cont. Symp./21st Europ. Freq. Time Forum, Vols  1–4, 1274–1277 (2007).
[Crossref]

Z. W. Barber, C. W. Hoyt, C. W. Oates, L. Hollberg, A. V. Taichenachev, and V. I. Yudin, “Direct excitation of the forbidden clock transition in neutral 174Yb atoms confined to an optical lattice,” Phys. Rev. Lett. 96, 083002 (2006).
[Crossref] [PubMed]

C. W. Hoyt, Z. W. Barber, C. W. Oates, T. M. Fortier, S. A. Diddams, and L. Hollberg, “Observation and absolute frequency measurements of the 1S0 – 3P0 optical clock transition in neutral ytterbium,” Phys. Rev. Lett. 95, 083003 (2005).
[Crossref] [PubMed]

S. A. Diddams, T. Udem, J. C. Bergquist, E. A. Curtis, R. E. Drullinger, L. Hollberg, W. M. Itano, W. D. Lee, C. W. Oates, K. R. Vogel, and D. J. Wineland, “An optical clock based on a single trapped 199Hg+ ion,” Science 293, 825–828 (2001).
[Crossref] [PubMed]

Okhapkin, M.

A. Y. Nevsky, U. Bressel, I. Ernsting, C. Eisele, M. Okhapkin, S. Schiller, A. Gubenko, D. Livshits, S. Mikhrin, I. Krestnikov, and A. Kovsh, “A narrow-line-width external cavity quantum dot laser for high-resolution spectroscopy in the near infrared and yellow spectral ranges,” Appl. Phy. B 92, 501–507 (2008).
[Crossref]

Okumura, K.

Onae, A.

K. Sugiyama, F.-L. Hong, J. Ishikawa, A. Onae, T. Ikegami, S. N. Slyusarev, K. Minoshima, H. Matsumoto, H. Inaba, J. C. Knight, W. J. Wadsworth, and P. S. J. Russell, “Optical frequency measurement using chirped-mirror-dispersion-controlled mode-locked Ti:Al2O3 laser,” Jpn. J. Appl. Phys. 45, 5051–5062 (2006).
[Crossref]

F.-L. Hong, S. Diddams, R. X. Guo, Z. Y. Bi, A. Onae, H. Inaba, J. Ishikawa, K. Okumura, D. Katsuragi, J. Hirata, T. Shimizu, T. Kurosu, Y. Koga, and H. Matsumoto, “Frequency measurements and hyperfine structure of the R(85)33-0 transition of molecular iodine with a femtosecond optical comb,” J. Opt. Soc. Am. B 21, 88–95 (2004).
[Crossref]

F.-L. Hong, J. Ishikawa, Y. Zhang, R. X. Guo, A. Onae, and H. Matsumoto, “Frequency reproducibility of an iodine-stabilized Nd : YAG laser at 532 nm,” Opt. Commun. 235, 377–385 (2004).
[Crossref]

R. X. Guo, F.-L. Hong, A. Onae, Z. Y. Bi, H. Matsumoto, and K. Nakagawa, “Frequency stabilization of a 1319-nm Nd:YAG laser by saturation spectroscopy of molecular iodine,” Opt. Lett. 29, 1733–1735 (2004).
[Crossref] [PubMed]

F.-L. Hong, A. Onae, J. Jiang, R. X. Guo, H. Inaba, K. Minoshima, T. R. Schibli, and H. Matsumoto, “Absolute frequency measurement of an acetylene-stabilized laser at 1542 nm,” Opt. Lett. 28, 2324–2326 (2003).
[Crossref] [PubMed]

F.-L. Hong, Y. Zhang, J. Ishikawa, A. Onae, and H. Matsumoto, “Hyperfine structure and absolute frequency determination of the R(121)35-0 and P(142)37-0 transitions of 127I2 near 532 nm,” Opt. Commun. 212, 89–95 (2002).
[Crossref]

F.-L. Hong, Y. Zhang, J. Ishikawa, A. Onae, and H. Matsumoto, “Vibration dependence of the tensor spin-spin and scalar spin-spin hyperfine interactions by precision measurement of hyperfine structures of 127I2 near 532 nm,” J. Opt. Soc. Am. B 19, 946–953 (2002).
[Crossref]

F.-L. Hong, J. Ishikawa, A. Onae, and H. Matsumoto, “Rotation dependence of the excited-state electric quadrupole hyperfine interaction by high-resolution laser spectroscopy of 127I2,” J. Opt. Soc. Am. B 18, 1416–1422 (2001).
[Crossref]

F.-L. Hong, J. Ishikawa, Z. Y. Bi, J. Zhang, K. Seta, A. Onae, J. Yoda, and H. Matsumoto, “Portable I2-stabilized Nd : YAG laser for international comparisons,” IEEE Trans. Instrum. Meas. 50, 486–489 (2001).
[Crossref]

S. Gerstenkorn and P. Luc, Atlas Du Spectre D’Absorption de la Molecule D’Iode (Editions de CNRS, Paris, 1978). F.-L. Hong, M. Yasuda, and A. Onae, “A light source for the 1S0 – 3P0 optical clock transition in ytterbium,” in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies, Technical Digest (CD) (Optical Society of America, 2006), paper CMF4, http://www.opticsinfobase.org/abstract.cfm?URI=CLEO-2006-CMF4

Parameswaran, K. R.

Parker, I.

N. Poli, Z. W. Barber, N. D. Lemke, C. W. Oates, L. S. Ma, J. E. Stalnaker, I. M. Fortier, S. A. Diddams, L. Hollberg, J. C. Bergquist, A. Brusch, S. Jefferts, I. Heavner, and I. Parker, “Frequency evaluation of the doubly forbidden 1S0 – 3P0 transition in bosonic 174Yb,” Phys. Rev. A 77, 050501(R) (2008).
[Crossref]

Pavel, N.

M. Iwai, T. Yoshino, S. Yamaguchi, M. Imaeda, N. Pavel, I. Shoji, and T. Taira, “High-power blue generation from a periodically poled MgO:LiNbO3 ridge-type waveguide by frequency doubling of a diode end-pumped Nd:Y3Al5O12 laser,” Appl. Phys. Lett. 83, 3659–3661 (2003).
[Crossref]

Picard, S.

Poli, N.

N. Poli, Z. W. Barber, N. D. Lemke, C. W. Oates, L. S. Ma, J. E. Stalnaker, I. M. Fortier, S. A. Diddams, L. Hollberg, J. C. Bergquist, A. Brusch, S. Jefferts, I. Heavner, and I. Parker, “Frequency evaluation of the doubly forbidden 1S0 – 3P0 transition in bosonic 174Yb,” Phys. Rev. A 77, 050501(R) (2008).
[Crossref]

Z. W. Barber, J. E. Stalnaker, N. D. Lemke, N. Poli, C. W. Oates, T. M. Fortier, S. A. Diddams, L. Hollberg, C. W. Hoyt, A. V. Taichenachev, and V. I. Yudin, “Optical lattice induced light shifts in an Yb atomic clock,” Phys. Rev. Lett. 100, 103002 (2008).
[Crossref] [PubMed]

Porsev, S. G.

S. G. Porsev, A. Derevianko, and E. N. Fortson, “Possibility of an optical clock using the 6 1S0 – 6 3P0 transition in 171,173Yb atoms held in an optical lattice,” Phys. Rev. A 69, 021403(R) (2004).
[Crossref]

Quinn, T. J.

T. J. Quinn, “Practical realization of the definition of the metre, including recommended radiations of other optical frequency standards (2001),” Metrologia 40, 103–133 (2003).
[Crossref]

Robertsson, L.

J. Ye, L. Robertsson, S. Picard, L. S. Ma, and J. L. Hall, “Absolute frequency atlas of molecular I2 lines at 532 nm,” IEEE Trans. Instrum. Meas. 48, 544–549 (1999).
[Crossref]

Roussev, R. V.

Route, R. K.

Russell, P. S. J.

K. Sugiyama, F.-L. Hong, J. Ishikawa, A. Onae, T. Ikegami, S. N. Slyusarev, K. Minoshima, H. Matsumoto, H. Inaba, J. C. Knight, W. J. Wadsworth, and P. S. J. Russell, “Optical frequency measurement using chirped-mirror-dispersion-controlled mode-locked Ti:Al2O3 laser,” Jpn. J. Appl. Phys. 45, 5051–5062 (2006).
[Crossref]

Schibli, T. R.

Schiller, S.

A. Y. Nevsky, U. Bressel, I. Ernsting, C. Eisele, M. Okhapkin, S. Schiller, A. Gubenko, D. Livshits, S. Mikhrin, I. Krestnikov, and A. Kovsh, “A narrow-line-width external cavity quantum dot laser for high-resolution spectroscopy in the near infrared and yellow spectral ranges,” Appl. Phy. B 92, 501–507 (2008).
[Crossref]

A. Arie, S. Schiller, E. K. Gustafson, and R. L. Byer, “Absolute frequency stabilization of diode-laser-pumped Nd:YAG lasers to hyperfine transitions in molecular iodine,“ Opt. Lett. 17, 1204–1206 (1992).
[Crossref] [PubMed]

Seta, K.

F.-L. Hong, J. Ishikawa, Z. Y. Bi, J. Zhang, K. Seta, A. Onae, J. Yoda, and H. Matsumoto, “Portable I2-stabilized Nd : YAG laser for international comparisons,” IEEE Trans. Instrum. Meas. 50, 486–489 (2001).
[Crossref]

Shimizu, T.

Shoji, I.

M. Iwai, T. Yoshino, S. Yamaguchi, M. Imaeda, N. Pavel, I. Shoji, and T. Taira, “High-power blue generation from a periodically poled MgO:LiNbO3 ridge-type waveguide by frequency doubling of a diode end-pumped Nd:Y3Al5O12 laser,” Appl. Phys. Lett. 83, 3659–3661 (2003).
[Crossref]

Slyusarev, S. N.

K. Sugiyama, F.-L. Hong, J. Ishikawa, A. Onae, T. Ikegami, S. N. Slyusarev, K. Minoshima, H. Matsumoto, H. Inaba, J. C. Knight, W. J. Wadsworth, and P. S. J. Russell, “Optical frequency measurement using chirped-mirror-dispersion-controlled mode-locked Ti:Al2O3 laser,” Jpn. J. Appl. Phys. 45, 5051–5062 (2006).
[Crossref]

Stalnaker, J. E.

Z. W. Barber, J. E. Stalnaker, N. D. Lemke, N. Poli, C. W. Oates, T. M. Fortier, S. A. Diddams, L. Hollberg, C. W. Hoyt, A. V. Taichenachev, and V. I. Yudin, “Optical lattice induced light shifts in an Yb atomic clock,” Phys. Rev. Lett. 100, 103002 (2008).
[Crossref] [PubMed]

N. Poli, Z. W. Barber, N. D. Lemke, C. W. Oates, L. S. Ma, J. E. Stalnaker, I. M. Fortier, S. A. Diddams, L. Hollberg, J. C. Bergquist, A. Brusch, S. Jefferts, I. Heavner, and I. Parker, “Frequency evaluation of the doubly forbidden 1S0 – 3P0 transition in bosonic 174Yb,” Phys. Rev. A 77, 050501(R) (2008).
[Crossref]

C. W. Oates, Z. W. Barber, J. E. Stalnaker, C. W. Hoyt, T. M. Fortier, S. A. Diddams, and L. Hollberg, “Stable laser system for probing the clock transition at 578 nm in neutral ytterbium,” Proc. 2007 IEEE Int. Freq. Cont. Symp./21st Europ. Freq. Time Forum, Vols  1–4, 1274–1277 (2007).
[Crossref]

Sugiyama, K.

K. Sugiyama, F.-L. Hong, J. Ishikawa, A. Onae, T. Ikegami, S. N. Slyusarev, K. Minoshima, H. Matsumoto, H. Inaba, J. C. Knight, W. J. Wadsworth, and P. S. J. Russell, “Optical frequency measurement using chirped-mirror-dispersion-controlled mode-locked Ti:Al2O3 laser,” Jpn. J. Appl. Phys. 45, 5051–5062 (2006).
[Crossref]

Suzuki, H.

M. Asobe, H. Miyazawa, O. Tadanaga, Y. Nishida, and H. Suzuki, “A highly damage-resistant Zn:LiNbO3 ridge waveguide and its application to a polarization-independent wavelength converter,” IEEE J. Quantum Electron. 39, 1327–1333 (2003).
[Crossref]

Tadanaga, O.

M. Asobe, H. Miyazawa, O. Tadanaga, Y. Nishida, and H. Suzuki, “A highly damage-resistant Zn:LiNbO3 ridge waveguide and its application to a polarization-independent wavelength converter,” IEEE J. Quantum Electron. 39, 1327–1333 (2003).
[Crossref]

Taichenachev, A. V.

Z. W. Barber, J. E. Stalnaker, N. D. Lemke, N. Poli, C. W. Oates, T. M. Fortier, S. A. Diddams, L. Hollberg, C. W. Hoyt, A. V. Taichenachev, and V. I. Yudin, “Optical lattice induced light shifts in an Yb atomic clock,” Phys. Rev. Lett. 100, 103002 (2008).
[Crossref] [PubMed]

Z. W. Barber, C. W. Hoyt, C. W. Oates, L. Hollberg, A. V. Taichenachev, and V. I. Yudin, “Direct excitation of the forbidden clock transition in neutral 174Yb atoms confined to an optical lattice,” Phys. Rev. Lett. 96, 083002 (2006).
[Crossref] [PubMed]

Taira, T.

M. Iwai, T. Yoshino, S. Yamaguchi, M. Imaeda, N. Pavel, I. Shoji, and T. Taira, “High-power blue generation from a periodically poled MgO:LiNbO3 ridge-type waveguide by frequency doubling of a diode end-pumped Nd:Y3Al5O12 laser,” Appl. Phys. Lett. 83, 3659–3661 (2003).
[Crossref]

Takahashi, Y.

S. Uetake and Y. Takahashi, Department of Physics, Graduate School of Science, Kyoto University, Kyoto 606–8502, Japan (personal communication, 2006).

Takamoto, M.

Udem, T.

S. A. Diddams, T. Udem, J. C. Bergquist, E. A. Curtis, R. E. Drullinger, L. Hollberg, W. M. Itano, W. D. Lee, C. W. Oates, K. R. Vogel, and D. J. Wineland, “An optical clock based on a single trapped 199Hg+ ion,” Science 293, 825–828 (2001).
[Crossref] [PubMed]

Uetake, S.

S. Uetake and Y. Takahashi, Department of Physics, Graduate School of Science, Kyoto University, Kyoto 606–8502, Japan (personal communication, 2006).

Vogel, K. R.

S. A. Diddams, T. Udem, J. C. Bergquist, E. A. Curtis, R. E. Drullinger, L. Hollberg, W. M. Itano, W. D. Lee, C. W. Oates, K. R. Vogel, and D. J. Wineland, “An optical clock based on a single trapped 199Hg+ ion,” Science 293, 825–828 (2001).
[Crossref] [PubMed]

Wadsworth, W. J.

K. Sugiyama, F.-L. Hong, J. Ishikawa, A. Onae, T. Ikegami, S. N. Slyusarev, K. Minoshima, H. Matsumoto, H. Inaba, J. C. Knight, W. J. Wadsworth, and P. S. J. Russell, “Optical frequency measurement using chirped-mirror-dispersion-controlled mode-locked Ti:Al2O3 laser,” Jpn. J. Appl. Phys. 45, 5051–5062 (2006).
[Crossref]

Wineland, D. J.

S. A. Diddams, T. Udem, J. C. Bergquist, E. A. Curtis, R. E. Drullinger, L. Hollberg, W. M. Itano, W. D. Lee, C. W. Oates, K. R. Vogel, and D. J. Wineland, “An optical clock based on a single trapped 199Hg+ ion,” Science 293, 825–828 (2001).
[Crossref] [PubMed]

Yamaguchi, S.

M. Iwai, T. Yoshino, S. Yamaguchi, M. Imaeda, N. Pavel, I. Shoji, and T. Taira, “High-power blue generation from a periodically poled MgO:LiNbO3 ridge-type waveguide by frequency doubling of a diode end-pumped Nd:Y3Al5O12 laser,” Appl. Phys. Lett. 83, 3659–3661 (2003).
[Crossref]

Yasuda, M.

S. Gerstenkorn and P. Luc, Atlas Du Spectre D’Absorption de la Molecule D’Iode (Editions de CNRS, Paris, 1978). F.-L. Hong, M. Yasuda, and A. Onae, “A light source for the 1S0 – 3P0 optical clock transition in ytterbium,” in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies, Technical Digest (CD) (Optical Society of America, 2006), paper CMF4, http://www.opticsinfobase.org/abstract.cfm?URI=CLEO-2006-CMF4

Ye, J.

Yoda, J.

F.-L. Hong, J. Ishikawa, Z. Y. Bi, J. Zhang, K. Seta, A. Onae, J. Yoda, and H. Matsumoto, “Portable I2-stabilized Nd : YAG laser for international comparisons,” IEEE Trans. Instrum. Meas. 50, 486–489 (2001).
[Crossref]

Yoon, T. H.

Yoshino, T.

M. Iwai, T. Yoshino, S. Yamaguchi, M. Imaeda, N. Pavel, I. Shoji, and T. Taira, “High-power blue generation from a periodically poled MgO:LiNbO3 ridge-type waveguide by frequency doubling of a diode end-pumped Nd:Y3Al5O12 laser,” Appl. Phys. Lett. 83, 3659–3661 (2003).
[Crossref]

Yudin, V. I.

Z. W. Barber, J. E. Stalnaker, N. D. Lemke, N. Poli, C. W. Oates, T. M. Fortier, S. A. Diddams, L. Hollberg, C. W. Hoyt, A. V. Taichenachev, and V. I. Yudin, “Optical lattice induced light shifts in an Yb atomic clock,” Phys. Rev. Lett. 100, 103002 (2008).
[Crossref] [PubMed]

Z. W. Barber, C. W. Hoyt, C. W. Oates, L. Hollberg, A. V. Taichenachev, and V. I. Yudin, “Direct excitation of the forbidden clock transition in neutral 174Yb atoms confined to an optical lattice,” Phys. Rev. Lett. 96, 083002 (2006).
[Crossref] [PubMed]

Zhang, J.

F.-L. Hong, J. Ishikawa, Z. Y. Bi, J. Zhang, K. Seta, A. Onae, J. Yoda, and H. Matsumoto, “Portable I2-stabilized Nd : YAG laser for international comparisons,” IEEE Trans. Instrum. Meas. 50, 486–489 (2001).
[Crossref]

Zhang, Y.

F.-L. Hong, J. Ishikawa, Y. Zhang, R. X. Guo, A. Onae, and H. Matsumoto, “Frequency reproducibility of an iodine-stabilized Nd : YAG laser at 532 nm,” Opt. Commun. 235, 377–385 (2004).
[Crossref]

F.-L. Hong, Y. Zhang, J. Ishikawa, A. Onae, and H. Matsumoto, “Vibration dependence of the tensor spin-spin and scalar spin-spin hyperfine interactions by precision measurement of hyperfine structures of 127I2 near 532 nm,” J. Opt. Soc. Am. B 19, 946–953 (2002).
[Crossref]

F.-L. Hong, Y. Zhang, J. Ishikawa, A. Onae, and H. Matsumoto, “Hyperfine structure and absolute frequency determination of the R(121)35-0 and P(142)37-0 transitions of 127I2 near 532 nm,” Opt. Commun. 212, 89–95 (2002).
[Crossref]

Appl. Phy. B (1)

A. Y. Nevsky, U. Bressel, I. Ernsting, C. Eisele, M. Okhapkin, S. Schiller, A. Gubenko, D. Livshits, S. Mikhrin, I. Krestnikov, and A. Kovsh, “A narrow-line-width external cavity quantum dot laser for high-resolution spectroscopy in the near infrared and yellow spectral ranges,” Appl. Phy. B 92, 501–507 (2008).
[Crossref]

Appl. Phys. Lett. (1)

M. Iwai, T. Yoshino, S. Yamaguchi, M. Imaeda, N. Pavel, I. Shoji, and T. Taira, “High-power blue generation from a periodically poled MgO:LiNbO3 ridge-type waveguide by frequency doubling of a diode end-pumped Nd:Y3Al5O12 laser,” Appl. Phys. Lett. 83, 3659–3661 (2003).
[Crossref]

IEEE J. Quantum Electron. (1)

M. Asobe, H. Miyazawa, O. Tadanaga, Y. Nishida, and H. Suzuki, “A highly damage-resistant Zn:LiNbO3 ridge waveguide and its application to a polarization-independent wavelength converter,” IEEE J. Quantum Electron. 39, 1327–1333 (2003).
[Crossref]

IEEE Trans. Instrum. Meas. (3)

M. L. Eickhoff and J. L. Hall, “Optical frequency standard at 532 nm,” IEEE Trans. Instrum. Meas. 44, 155–158 (1995).
[Crossref]

F.-L. Hong, J. Ishikawa, Z. Y. Bi, J. Zhang, K. Seta, A. Onae, J. Yoda, and H. Matsumoto, “Portable I2-stabilized Nd : YAG laser for international comparisons,” IEEE Trans. Instrum. Meas. 50, 486–489 (2001).
[Crossref]

J. Ye, L. Robertsson, S. Picard, L. S. Ma, and J. L. Hall, “Absolute frequency atlas of molecular I2 lines at 532 nm,” IEEE Trans. Instrum. Meas. 48, 544–549 (1999).
[Crossref]

J. Opt. Soc. Am. B (6)

Jpn. J. Appl. Phys. (1)

K. Sugiyama, F.-L. Hong, J. Ishikawa, A. Onae, T. Ikegami, S. N. Slyusarev, K. Minoshima, H. Matsumoto, H. Inaba, J. C. Knight, W. J. Wadsworth, and P. S. J. Russell, “Optical frequency measurement using chirped-mirror-dispersion-controlled mode-locked Ti:Al2O3 laser,” Jpn. J. Appl. Phys. 45, 5051–5062 (2006).
[Crossref]

Metrologia (1)

T. J. Quinn, “Practical realization of the definition of the metre, including recommended radiations of other optical frequency standards (2001),” Metrologia 40, 103–133 (2003).
[Crossref]

Opt. Commun. (3)

F.-L. Hong and J. Ishikawa, “Hyperfine structures of the R(122) 35-0 and P(84) 33-0 transitions 127I2 near 532 nm,” Opt. Commun. 183, 101–108 (2000).
[Crossref]

F.-L. Hong, J. Ishikawa, Y. Zhang, R. X. Guo, A. Onae, and H. Matsumoto, “Frequency reproducibility of an iodine-stabilized Nd : YAG laser at 532 nm,” Opt. Commun. 235, 377–385 (2004).
[Crossref]

F.-L. Hong, Y. Zhang, J. Ishikawa, A. Onae, and H. Matsumoto, “Hyperfine structure and absolute frequency determination of the R(121)35-0 and P(142)37-0 transitions of 127I2 near 532 nm,” Opt. Commun. 212, 89–95 (2002).
[Crossref]

Opt. Express (2)

Opt. Lett. (6)

Phys. Rev. A (2)

N. Poli, Z. W. Barber, N. D. Lemke, C. W. Oates, L. S. Ma, J. E. Stalnaker, I. M. Fortier, S. A. Diddams, L. Hollberg, J. C. Bergquist, A. Brusch, S. Jefferts, I. Heavner, and I. Parker, “Frequency evaluation of the doubly forbidden 1S0 – 3P0 transition in bosonic 174Yb,” Phys. Rev. A 77, 050501(R) (2008).
[Crossref]

S. G. Porsev, A. Derevianko, and E. N. Fortson, “Possibility of an optical clock using the 6 1S0 – 6 3P0 transition in 171,173Yb atoms held in an optical lattice,” Phys. Rev. A 69, 021403(R) (2004).
[Crossref]

Phys. Rev. Lett. (3)

C. W. Hoyt, Z. W. Barber, C. W. Oates, T. M. Fortier, S. A. Diddams, and L. Hollberg, “Observation and absolute frequency measurements of the 1S0 – 3P0 optical clock transition in neutral ytterbium,” Phys. Rev. Lett. 95, 083003 (2005).
[Crossref] [PubMed]

Z. W. Barber, C. W. Hoyt, C. W. Oates, L. Hollberg, A. V. Taichenachev, and V. I. Yudin, “Direct excitation of the forbidden clock transition in neutral 174Yb atoms confined to an optical lattice,” Phys. Rev. Lett. 96, 083002 (2006).
[Crossref] [PubMed]

Z. W. Barber, J. E. Stalnaker, N. D. Lemke, N. Poli, C. W. Oates, T. M. Fortier, S. A. Diddams, L. Hollberg, C. W. Hoyt, A. V. Taichenachev, and V. I. Yudin, “Optical lattice induced light shifts in an Yb atomic clock,” Phys. Rev. Lett. 100, 103002 (2008).
[Crossref] [PubMed]

Proc. 2007 IEEE Int. Freq. Cont. Symp./21st Europ. Freq. Time Forum (1)

C. W. Oates, Z. W. Barber, J. E. Stalnaker, C. W. Hoyt, T. M. Fortier, S. A. Diddams, and L. Hollberg, “Stable laser system for probing the clock transition at 578 nm in neutral ytterbium,” Proc. 2007 IEEE Int. Freq. Cont. Symp./21st Europ. Freq. Time Forum, Vols  1–4, 1274–1277 (2007).
[Crossref]

Science (1)

S. A. Diddams, T. Udem, J. C. Bergquist, E. A. Curtis, R. E. Drullinger, L. Hollberg, W. M. Itano, W. D. Lee, C. W. Oates, K. R. Vogel, and D. J. Wineland, “An optical clock based on a single trapped 199Hg+ ion,” Science 293, 825–828 (2001).
[Crossref] [PubMed]

Other (2)

S. Gerstenkorn and P. Luc, Atlas Du Spectre D’Absorption de la Molecule D’Iode (Editions de CNRS, Paris, 1978). F.-L. Hong, M. Yasuda, and A. Onae, “A light source for the 1S0 – 3P0 optical clock transition in ytterbium,” in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies, Technical Digest (CD) (Optical Society of America, 2006), paper CMF4, http://www.opticsinfobase.org/abstract.cfm?URI=CLEO-2006-CMF4

S. Uetake and Y. Takahashi, Department of Physics, Graduate School of Science, Kyoto University, Kyoto 606–8502, Japan (personal communication, 2006).

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Figures (5)

Fig. 1.
Fig. 1. Frequency atlas of the 127I2 transitions near the 1 S 03 P 0 transition of Yb at 578 nm. The relative intensity of iodine is taken from Ref. [3].
Fig. 2.
Fig. 2. Schematic diagram of the experimental setup. PM fiber, polarization-maintaining fiber; WDM, wavelength-division multiplexing; PPLN, periodically poled lithium niobate; WG, waveguide; DM, dichroic mirror; PBS1, PBS2, PBS3, polarization beam splitters; AOM, acousto-optic modulator; EOM, electro-optic modulator; D, detector.
Fig. 3.
Fig. 3. Relation between the input power of the 1030-nm Yb fiber laser and the SFG output power at 578 nm, when the input power of the 1319-nm Nd: YAG laser was 40 mW. The inset shows the phase-matching curve of the SFG when the temperature of the crystal was varied.
Fig. 4.
Fig. 4. Doppler-free spectra of the R(37)16–1 transition of molecular iodine. All 21 hyperfine components are isolated. The inset shows the horizontally expanded signal of the a4 hyperfine component.
Fig. 5.
Fig. 5. Allan deviation of the measured beat frequency between the SFG light locked on the R(37)16–1:a1 transition and the comb locked on an H-maser. For comparison, the Allan deviations of an H-maser (dashed curve), an iodine-stabilized Nd:YAG laser at 532 nm (dotted curve) [16], and an iodine-stabilized Nd:YAG laser at 660 nm (solid line) [20] are also shown.

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