Abstract

We demonstrate optically tunable delays in a silicon-on-insulator planar waveguide based on slow light induced by stimulated Raman scattering (SRS). Inside an 8-mm-long nanoscale waveguide, we produce a group-index change of 0.15 and generate controllable delays as large as 4 ps for signal pulses as short as 3 ps. The scheme can be implemented at bandwidths exceeding 100 GHz for wavelengths spanning the entire low-loss fiber-optics communications window and thus represents an important step in the development of chip-scale photonics devices that process light with light.

©2006 Optical Society of America

1. Introduction

Over the past decade, there has been great interest in controlling the group velocity of pulses of light in optical materials [1]. Many of the techniques for achieving “slow light” rely on a laser-induced transmission window within a spectral absorption line of a material [2–6] to produce a reduction in the group velocity. If devices based on slow light are developed which accommodate telecommunication data rates exceeding 10 GHz, several critical applications such as data synchronization, tunable data buffers, and pattern correlation, can be implemented [7].

Development of silicon-based nanophotonic devices for photonics-on-chip technology has recently been the subject of substantial research activity. The silicon-on-insulator (SOI) platform has inherent advantages for all-optical devices due to the high index contrast between the silicon core and silica cladding, which allows for strong optical confinement, large effective optical nonlinearities, and highly compact photonic circuits [8]. Nonlinear effects in SOI waveguides have led to demonstrations of all-optical switching [9], Raman amplification [10–12], and Raman lasing [13–15] in silicon nanostructures. In particular, the large Raman gain coefficient in SOI waveguides allows for appreciable amplification over sub-cm waveguide lengths with gains as high as 24 dB [16]. As we discuss below, the large Raman gain coefficient (gR = 4.2 cm/GW) [17] and the relatively narrow linewidth of silicon represent significant advantages for producing large slow-light effects.

On-chip delay schemes in silicon have recently been explored [18–22]. These schemes involve resonators [18], make use of the band-edge of silicon [19], or utilize photonic crystal structures [20], and thus typically operate within a relatively narrow range of wavelengths.

Some degree of thermal tuning of these structures, similar to that in fiber Bragg gratings [23], has been demonstrated [21], but this restricts their use to those applications in which an ultrafast reconfiguration is not required. In addition, single-beam delay schemes have been realized in semiconductor waveguides [24], quantum dot amplifiers [25], and vertical-cavity surface-emitting laser amplifiers [26].

Here we demonstrate optically tunable delays in a robust and highly compact SOI architecture based on slow light induced by stimulated Raman scattering (SRS). Within a nanoscale waveguide, we produce group index changes as large as 0.15 and generate controllable delays greater than a full pulse width for signal pulses as short as 3 ps. Our scheme is noteworthy since it is compatible with silicon-on-insulator technology, the delay of each pulse within a pulse train can be separately controlled, tunable delays can be generated at telecommunication wavelengths and at bandwidths of up to 100 GHz, and the same waveguide can be used to produce delays at different wavelength channels across the entire telecommunication spectrum. These results thus represent a critical step in the development of chip-scale optical signal processing devices that control light with light.

2. Theory

In our work, we utilize the optically-induced change in the dispersion via SRS to generate tunable all-optical delay. For the case of a Raman-active material with a strong pump field applied, a weak signal field will experience gain (loss) when its frequency is detuned below (above) the pump frequency by the Raman frequency ΩR of vibrational modes of a material. The magnitude of the gain depends on the intensity of the pump field, and the gain occurs over a certain bandwidth ΓR of signal-pump detuning. Figure 1 shows the experimentally measured gain as a function of frequency for the silicon waveguide used in our experiment at a low level of amplification. The measured gain linewidth is ΓR/2π = 96.2 GHz (FWHM), which is slightly smaller than the phonon bandwidth (105 GHz) in silicon due to gain narrowing. Through the Kramers-Kronig relations, the Raman gain for the signal field will be accompanied by a frequency-dependent refractive index n(ω) that also depends on the intensity of the pump wave. The group index, which determines the speed of a signal pulse within the medium, is related to the refractive index through the relation

ng(ω)=n(ω)+ωdndω.

By taking the Hilbert transform of a Lorentzian fit to the experimentally measured gain curve, we can infer the refractive index change due to this Raman contribution, and Fig. 2 shows the phase and group-index changes as functions of wavelength. At the peak of the Raman resonance the total delay ΔTD of the signal pulse in passing through the material due to the presence of the pump field is given by [24]

ΔTD=GΓR,

where G = gRIpL is the Raman gain parameter, Ip is the pump intensity, and L is the length of the interaction region. The total Raman amplification experienced by the signal beam, that is, the ratio of the output signal power Pout to the input signal power Pin, is related to the gain parameter via Pout/Pin = eG. Thus, the total delay experienced by the signal beam is linearly proportional to the intensity of the pump beam, and it is through this mechanism that alloptical delays are generated. The lack of reliance on an electronic [2–6] or a photonic [18–23] (e.g., optical resonator) resonance provides a distinct advantage for using stimulated Raman scattering to produce slow light as compared to other schemes. Unlike other techniques, the wavelength at which delays are generated can be broadly tuned by simply tuning the wavelength of the pump beam. Recent demonstrations of tunable all-optical delays in optical fibers using stimulated Brillouin scattering [27,28] and stimulated Raman scattering [29] have been made. While the Raman-based technique is compatible with existing telecommunication technology due to its ability to generate delays for pulses less than 1 ps in duration, the Raman bandwidth of silica glass is too large to produce significant delays at moderate pump powers and thus requires fiber lengths of ~1 km.

 figure: Fig. 1.

Fig. 1. Top: Measured Raman gain (solid circles) and inferred refractive index change as a function of wavelength, which is derived via the Kramers-Kronig relations from the Lorentzian best-fit curve of the experimental points. Bottom: Plot of the inferred group index as a function of wavelength derived from the index change in the top plot.

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3. Experiment

By exploiting the larger Raman gain coefficient, narrower Raman linewidth, and highly confining geometries of silicon waveguides as compared to glass fibers, we generate large slow-light effects on chip. The source for our signal pulses is an optical parametric oscillator (OPO) with the central wavelength tuned to 1686.14 nm. The pulse bandwidth is 1.47 nm FWHM, which corresponds to a transform-limited pulsewidth of 2.67 ps. In order to generate the synchronous pump pulses, the OPO signal is detected using a fast photodiode and the photocurrent pulse is used to amplitude modulate a CW laser at 1549.97 nm to produce a pump pulse 50 ps in duration. This pump pulse is then amplified using an erbium-doped fiber amplifier (EDFA), and the signal and pump pulses are combined using a wavelength-division multiplexer (WDM) and coupled into the Si waveguide using an inverse nanotaper structure (see Fig. 2) [30]. The wavelengths of the pulses are adjusted such that the signal wavelength is at the peak of the Raman resonance. The waveguide sample consists of an 8-mm-long embedded waveguide with a silicon core cross section of 250 nm by 450 nm and a SiO2 cladding. To measure the delay, we compare the signal pulse to a reference pulse (which does not interact with the pump) using Fourier transform spectral interferometry (FTSI) [29,31], which in our scheme allows for measurement of delays as small as 10 fs. A Michelson interferometer is used to generate signal and reference pulses. After both pulses go through the waveguide, they are recombined using a Mach-Zehnder interferometer to be nearly overlapped in time. A spectral interferogram is measured and the fringe spacing yields the inverse of the delay between the pulses.

We observe continuously tunable delays by simply varying the pump power. Typical results are illustrated in Fig. 3, which shows a plot of total delay as a function of the gain parameter G. A linear relationship between the total delay and the gain parameter is observed, as expected from Eq. (2). The slope of the delay versus G plot and the theoretically predicted relation between delay and gain (Eq. (1)) implies a Raman linewidth of 300 GHz. This value is larger than the Raman linewidth measured experimentally, and we conclude that this discrepancy results from the assumption of narrow pulse bandwidths compared to the Raman gain linewidth in the theory [32]. Since the bandwidth of the signal pulse is comparable to the linewidth of the Raman resonance, the spectral components near the edges of the pulse experience smaller induced delays than the central spectral components, which results in a reduced net pulse delay. Additionally, the gain in this case is limited by the bandwidth of the RF components used.

 figure: Fig. 2.

Fig. 2. Left: Experimental setup for coupling into the SOI planar waveguide. Right: Schematic configuration for generating and measuring delay. The signal and pump pulses are overlapped in time going into the waveguide.

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 figure: Fig. 3.

Fig. 3. Total measured delay as a function of the measured Raman gain parameter (dashed line represents the best fit to the data). Continuous tuning of the delay is generated between 0 and 282 fs. We observe the theoretically predicted linear relationship between the delay and the gain parameter.

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To generate larger gain and, hence, larger delays, we take advantage of the dual wavelength output of the OPO in fs-mode. The OPO generates a short-wavelength pulse train having a broad spectrum ranging from 1540-1580 nm which can be spectrally filtered to obtain 7-ps pump pulses centered at 1549.97 nm. The long-wavelength pulse train has a spectrum ranging from 1660-1690 nm which is filtered to obtain signal pulses centered at 1686 nm. The pump pulses are amplified using an EDFA and are combined with the signal pulses using a second WDM. By using the shorter pump pulses, we achieve larger peak pump powers and observe signal delays as large as 4 ps (Fig. 4), which implies a Raman gain of 32 dB. The measured signal pulse bandwidth is 1.35 nm, which corresponds to a pulse duration of 3.1 ps, assuming it is transform-limited. Thus, we achieve a delay of 1.3 times the input pulse width. The estimated change Δngr in the group index due to the Raman process is Δngr = c ΔTD/L = 0.15, which is approximately 6 orders of magnitude larger than that previously achieved in Raman experiments in silica fiber [26]. Ultimately, the largest fractional delay that can be achieved in a single-stage stimulated scattering system is limited to approximately 3, due to the occurrence of spontaneous scattering processes that deplete the pump wave [27] for very large values (>25) of G. However, this limitation can be overcome by using cascaded stages between which an absorber is placed to prevent the build-up of a spontaneously generated Stokes signal [28]. In such a cascaded configuration, additional care must be taken to ensure that the signal and pump pulses are synchronized when entering each amplification stage.

 figure: Fig. 4.

Fig. 4. Amplitude of the Fourier transformed interferograms with no pump pulse and with a pump pulse for which the total delay is 4 ps.

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4. Conclusion

We have demonstrated tunable all-optical delays in a SOI waveguide with picosecond pulses, which represents the first step towards creating optically tunable dispersion on chip. The delay can be generated at any wavelength below the bandgap of silicon and is widely tunable since it is not constrained to a material or cavity resonance. Furthermore, the Raman linewidth in silicon makes it possible to support bandwidths associated with telecommunication pulses. Lastly, the short interaction length and pump-power dependent delay provide this scheme the advantage of having a fast reconfiguration time on the order of 70 GHz. This allows for tailored delay of individual pulses within a signal pulse train, provided that the pump pulse does not overlap with the subsequent pulse.

Acknowledgments

We gratefully acknowledge support from the Center for Nanoscale Systems, supported by the NSF under grant No. EEC-0117770 and Y.O., M.A.F., J.E.S., and A.L.G. gratefully acknowledge support from the DARPA DSO Slow-Light Program.

References and links

1. R. W. Boyd and D. J. Gauthier, “‘Slow’ and ‘fast’ light,” Progress in Optics 43, edited by E. Wolf (Elsevier, Amsterdam, 2002), Chap. 6, p. 497–530. [CrossRef]  

2. L. V. Hau, S. E. Harris, Z. Dutton, and C. H. Behroozi, “Light speed reduction to 17 metres per second in an ultracold atomic gas,” Nature 397, 594–598 (1999). [CrossRef]  

3. M. M. Kash, V. A. Sautenkov, A. S. Zibriv, L. Hollberg, G. R. Welch, M. D. Lukin, Y. Rostovtsev, E. S. Fry, and M. O. Scully, “Ultraslow group velocity and enhanced nonlinear optical effects in a coherently driven hot atomic gas,” Phys. Rev. Lett. 82, 5229–5232 (1999). [CrossRef]  

4. A. V. Turukhin, V. S. Sudarshanam, M. S. Shahriar, J. A. Musser, B. S. Ham, and P. R. Hemmer, “Observation of ultraslow and stored light pulses in a solid,” Phys. Rev. Lett. 88, 023602 (2002). [CrossRef]   [PubMed]  

5. M. S. Bigelow, N. N. Lepeshkin, and R. W. Boyd, “Observation of ultraslow light propagation in a ruby crystal at room temperature,” Phys. Rev. Lett. 90, 113903 (2003). [CrossRef]   [PubMed]  

6. P. Ku, F. Sedgwick, C. J. Chang-Hasnain, P. Palinginis, T. Li, H. Wang, S. Chang, and S. Chuang, “Slow light in semiconductor quantum wells,” Opt. Lett. 29, 2291–2293 (2004). [CrossRef]   [PubMed]  

7. See, for example, R. Ramaswami and K. N. Sivarajan, Optical Networks: A Practical Perspective (Morgan Kaufmann, San Francisco, CA, 2002), 2nd ed., Chap. 12.

8. M. A. Foster, K. D. Moll, and A. L. Gaeta, “Optimal waveguide dimensions for nonlinear interactions,” Opt. Express 12, 2880–2887 (2004). [CrossRef]   [PubMed]  

9. V. R. Almeida, C. A. Barrios, R. R. Panepucci, and M. Lipson, “All-optical control of light in a silicon chip,” Nature 431, 1081–1084 (2004). [CrossRef]   [PubMed]  

10. H. Rong, A. Liu, R. Nicolaescu, M. Paniccia, O. Cohen, and D. Hak, “Raman gain and nonlinear optical absorption measurements in a low-loss silicon waveguide,” Appl. Phys. Lett. 85, 2196–2198 (2004). [CrossRef]  

11. R. Claps, D. Dimitropoulos, V. Raghunathan, Y. Han, and B. Jalali, “Observation of stimulated Raman amplification in silicon waveguides,” Opt. Express 11, 1731–1739 (2003). [CrossRef]   [PubMed]  

12. R. L. Espinola, J. I. Dadap, R. M. Osgood, S. J. McNab, and Y. A. Vlasov, “Raman amplification in ultrasmall silicon-on-insulator wire waveguides,” Opt. Express 12, 3713–3718 (2004). [CrossRef]   [PubMed]  

13. H. Rong, R. Jones, A. Liu, O. Cohen, D. Hak, A. Fang, and M. Paniccia, “A continuous-wave Raman silicon laser,” Nature 433, 725–728 (2005). [CrossRef]   [PubMed]  

14. O. Boyraz and B. Jalali, “Demonstration of a silicon Raman laser,” Opt. Express 12, 5269–5273 (2004). [CrossRef]   [PubMed]  

15. H. Rong, A. Liu, R. Jones, O. Cohen, D. Hak, R. Nicolaescu, A. Fang, and M. Paniccia, “An all-silicon Raman laser,” Nature 433, 292–294 (2005). [CrossRef]   [PubMed]  

16. V. Raghunathan, O. Boyraz, and B. Jalali, “20 dB on-off Raman amplification in silicon waveguides,” in Proceedings of CLEO ’05, paper CMU1 (2005).

17. Q. Xu, V. R. Almeida, and M. Lipson, “Demonstration of high Raman gain in a submicrometer-size silicon-on-insulator waveguide,” Opt. Lett. 30, 35–37 (2005). [CrossRef]   [PubMed]  

18. J. E. Heebner and R. W. Boyd, “‘Slow’ and ‘fast’ light in resonator-coupled waveguides,” J. Mod. Opt. 49, 2629–2636 (2002). [CrossRef]  

19. M. L. Povinelli, S. G. Johnson, and J. D. Joannopoulos, “Slow-light, band-edge waveguides for tunable time delays,” Opt. Express 13, 7145–7159 (2005). [CrossRef]   [PubMed]  

20. H. Gersen, T. J. Karle, R. J. P. Engelen, W. Bogaerts, J. P. Korterik, N. F. van Hulst, T. F. Krauss, and L. Kuipers, “Real-space observation of ultraslow light in photonic crystal waveguides,” Phys. Rev. Lett. 94, 073903 (2005). [CrossRef]   [PubMed]  

21. Y. A. Vlasov, M. O’Boyle, H. F. Hamann, and S. J. McNab, “Active control of slow light on a chip with photonic crystal waveguides,” Nature 438, 65–69 (2005). [CrossRef]   [PubMed]  

22. M. Yanik, W. Suh, Z. Wang, and S. Fan, “Stopping light in a waveguide with an all-optical analog of electromagnetically induced transparency,” Phys. Rev. Lett. 93, 233903 (2004). [CrossRef]   [PubMed]  

23. B. J. Eggleton, A. Ahuja, P. S. Westbrook, J. A. Rogers, P. Kuo, T. N. Nielsen, and B. Mikkelsen, “Integrated tunable fiber gratings for dispersion management in high-bit rate systems,” J. Lightwave Technol. 18, 1418–1432 (2000). [CrossRef]  

24. J. MØrk, R. Kjaer, M. van der Poel, and K. Yvind, “Slow light in semiconductor waveguide at gigahertz frequencies,” Opt. Express 13, 8136–8145 (2005). [CrossRef]   [PubMed]  

25. M. van der Poel, J. MØrk, and J. Hvam, “Controllable delay of ultrashort pulses in a quantum dot optical amplifier,” Opt. Express 13, 8032–8037 (2005). [CrossRef]   [PubMed]  

26. X. Zhao, P. Palinginis, B. Pesala, C. Chang-Hasnain, and P. Hemmer, “Tunable ultraslow light in verticalcavity surface-emitting laser amplifier,” Opt. Express 13, 7899–7904 (2005). [CrossRef]   [PubMed]  

27. Y. Okawachi, M. S. Bigelow, J. E. Sharping, Z Zhu, A. Schweinsberg, D. J. Gauthier, R. W. Boyd, and A. L. Gaeta, “Tunable all-optical delays via Brillouin slow light in an optical fiber,” Phys. Rev. Lett. 94, 153902 (2005). [CrossRef]   [PubMed]  

28. K. Y. Song, M. G. Herráez, and L. Thévenaz, “Long optically controlled delays in optical fibers,” Opt. Lett. 30, 1782–1784 (2005). [CrossRef]   [PubMed]  

29. J. E. Sharping, Y. Okawachi, and A. L. Gaeta, “Wide bandwidth slow light using a Raman fiber amplifier,” Opt. Express 13, 6092–6098 (2005). [CrossRef]   [PubMed]  

30. V. R. Almeida, R. R. Panepucci, and M. Lipson, “Nanotapers for compact mode conversion,” Opt. Lett. 28, 1302–1304 (2003). [CrossRef]   [PubMed]  

31. L. Lepetit, G. Chériaux, and M. Joffre, “Linear techniques of phase measurement by femtosecond spectral interferometry for applications in spectroscopy,” J. Opt. Soc. Am. B 12, 2467–2474 (1995). [CrossRef]  

32. Z. Zhu, D. J. Gauthier, Y. Okawachi, J. E. Sharping, A. L. Gaeta, R. W. Boyd, and A. E. Willner, “Numerical study of all-optical slow-light delays via stimulated Brillouin scattering in an optical fiber,” J. Opt. Soc. Am. B 22, 2378–2384 (2005). [CrossRef]  

References

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  1. R. W. Boyd and D. J. Gauthier, “‘Slow’ and ‘fast’ light,” Progress in Optics 43, edited by E. Wolf (Elsevier, Amsterdam, 2002), Chap. 6, p. 497–530.
    [Crossref]
  2. L. V. Hau, S. E. Harris, Z. Dutton, and C. H. Behroozi, “Light speed reduction to 17 metres per second in an ultracold atomic gas,” Nature 397, 594–598 (1999).
    [Crossref]
  3. M. M. Kash, V. A. Sautenkov, A. S. Zibriv, L. Hollberg, G. R. Welch, M. D. Lukin, Y. Rostovtsev, E. S. Fry, and M. O. Scully, “Ultraslow group velocity and enhanced nonlinear optical effects in a coherently driven hot atomic gas,” Phys. Rev. Lett. 82, 5229–5232 (1999).
    [Crossref]
  4. A. V. Turukhin, V. S. Sudarshanam, M. S. Shahriar, J. A. Musser, B. S. Ham, and P. R. Hemmer, “Observation of ultraslow and stored light pulses in a solid,” Phys. Rev. Lett. 88, 023602 (2002).
    [Crossref] [PubMed]
  5. M. S. Bigelow, N. N. Lepeshkin, and R. W. Boyd, “Observation of ultraslow light propagation in a ruby crystal at room temperature,” Phys. Rev. Lett. 90, 113903 (2003).
    [Crossref] [PubMed]
  6. P. Ku, F. Sedgwick, C. J. Chang-Hasnain, P. Palinginis, T. Li, H. Wang, S. Chang, and S. Chuang, “Slow light in semiconductor quantum wells,” Opt. Lett. 29, 2291–2293 (2004).
    [Crossref] [PubMed]
  7. See, for example, R. Ramaswami and K. N. Sivarajan, Optical Networks: A Practical Perspective (Morgan Kaufmann, San Francisco, CA, 2002), 2nd ed., Chap. 12.
  8. M. A. Foster, K. D. Moll, and A. L. Gaeta, “Optimal waveguide dimensions for nonlinear interactions,” Opt. Express 12, 2880–2887 (2004).
    [Crossref] [PubMed]
  9. V. R. Almeida, C. A. Barrios, R. R. Panepucci, and M. Lipson, “All-optical control of light in a silicon chip,” Nature 431, 1081–1084 (2004).
    [Crossref] [PubMed]
  10. H. Rong, A. Liu, R. Nicolaescu, M. Paniccia, O. Cohen, and D. Hak, “Raman gain and nonlinear optical absorption measurements in a low-loss silicon waveguide,” Appl. Phys. Lett. 85, 2196–2198 (2004).
    [Crossref]
  11. R. Claps, D. Dimitropoulos, V. Raghunathan, Y. Han, and B. Jalali, “Observation of stimulated Raman amplification in silicon waveguides,” Opt. Express 11, 1731–1739 (2003).
    [Crossref] [PubMed]
  12. R. L. Espinola, J. I. Dadap, R. M. Osgood, S. J. McNab, and Y. A. Vlasov, “Raman amplification in ultrasmall silicon-on-insulator wire waveguides,” Opt. Express 12, 3713–3718 (2004).
    [Crossref] [PubMed]
  13. H. Rong, R. Jones, A. Liu, O. Cohen, D. Hak, A. Fang, and M. Paniccia, “A continuous-wave Raman silicon laser,” Nature 433, 725–728 (2005).
    [Crossref] [PubMed]
  14. O. Boyraz and B. Jalali, “Demonstration of a silicon Raman laser,” Opt. Express 12, 5269–5273 (2004).
    [Crossref] [PubMed]
  15. H. Rong, A. Liu, R. Jones, O. Cohen, D. Hak, R. Nicolaescu, A. Fang, and M. Paniccia, “An all-silicon Raman laser,” Nature 433, 292–294 (2005).
    [Crossref] [PubMed]
  16. V. Raghunathan, O. Boyraz, and B. Jalali, “20 dB on-off Raman amplification in silicon waveguides,” in Proceedings of CLEO ’05, paper CMU1 (2005).
  17. Q. Xu, V. R. Almeida, and M. Lipson, “Demonstration of high Raman gain in a submicrometer-size silicon-on-insulator waveguide,” Opt. Lett. 30, 35–37 (2005).
    [Crossref] [PubMed]
  18. J. E. Heebner and R. W. Boyd, “‘Slow’ and ‘fast’ light in resonator-coupled waveguides,” J. Mod. Opt. 49, 2629–2636 (2002).
    [Crossref]
  19. M. L. Povinelli, S. G. Johnson, and J. D. Joannopoulos, “Slow-light, band-edge waveguides for tunable time delays,” Opt. Express 13, 7145–7159 (2005).
    [Crossref] [PubMed]
  20. H. Gersen, T. J. Karle, R. J. P. Engelen, W. Bogaerts, J. P. Korterik, N. F. van Hulst, T. F. Krauss, and L. Kuipers, “Real-space observation of ultraslow light in photonic crystal waveguides,” Phys. Rev. Lett. 94, 073903 (2005).
    [Crossref] [PubMed]
  21. Y. A. Vlasov, M. O’Boyle, H. F. Hamann, and S. J. McNab, “Active control of slow light on a chip with photonic crystal waveguides,” Nature 438, 65–69 (2005).
    [Crossref] [PubMed]
  22. M. Yanik, W. Suh, Z. Wang, and S. Fan, “Stopping light in a waveguide with an all-optical analog of electromagnetically induced transparency,” Phys. Rev. Lett. 93, 233903 (2004).
    [Crossref] [PubMed]
  23. B. J. Eggleton, A. Ahuja, P. S. Westbrook, J. A. Rogers, P. Kuo, T. N. Nielsen, and B. Mikkelsen, “Integrated tunable fiber gratings for dispersion management in high-bit rate systems,” J. Lightwave Technol. 18, 1418–1432 (2000).
    [Crossref]
  24. J. MØrk, R. Kjaer, M. van der Poel, and K. Yvind, “Slow light in semiconductor waveguide at gigahertz frequencies,” Opt. Express 13, 8136–8145 (2005).
    [Crossref] [PubMed]
  25. M. van der Poel, J. MØrk, and J. Hvam, “Controllable delay of ultrashort pulses in a quantum dot optical amplifier,” Opt. Express 13, 8032–8037 (2005).
    [Crossref] [PubMed]
  26. X. Zhao, P. Palinginis, B. Pesala, C. Chang-Hasnain, and P. Hemmer, “Tunable ultraslow light in verticalcavity surface-emitting laser amplifier,” Opt. Express 13, 7899–7904 (2005).
    [Crossref] [PubMed]
  27. Y. Okawachi, M. S. Bigelow, J. E. Sharping, Z Zhu, A. Schweinsberg, D. J. Gauthier, R. W. Boyd, and A. L. Gaeta, “Tunable all-optical delays via Brillouin slow light in an optical fiber,” Phys. Rev. Lett. 94, 153902 (2005).
    [Crossref] [PubMed]
  28. K. Y. Song, M. G. Herráez, and L. Thévenaz, “Long optically controlled delays in optical fibers,” Opt. Lett. 30, 1782–1784 (2005).
    [Crossref] [PubMed]
  29. J. E. Sharping, Y. Okawachi, and A. L. Gaeta, “Wide bandwidth slow light using a Raman fiber amplifier,” Opt. Express 13, 6092–6098 (2005).
    [Crossref] [PubMed]
  30. V. R. Almeida, R. R. Panepucci, and M. Lipson, “Nanotapers for compact mode conversion,” Opt. Lett. 28, 1302–1304 (2003).
    [Crossref] [PubMed]
  31. L. Lepetit, G. Chériaux, and M. Joffre, “Linear techniques of phase measurement by femtosecond spectral interferometry for applications in spectroscopy,” J. Opt. Soc. Am. B 12, 2467–2474 (1995).
    [Crossref]
  32. Z. Zhu, D. J. Gauthier, Y. Okawachi, J. E. Sharping, A. L. Gaeta, R. W. Boyd, and A. E. Willner, “Numerical study of all-optical slow-light delays via stimulated Brillouin scattering in an optical fiber,” J. Opt. Soc. Am. B 22, 2378–2384 (2005).
    [Crossref]

2005 (13)

H. Rong, R. Jones, A. Liu, O. Cohen, D. Hak, A. Fang, and M. Paniccia, “A continuous-wave Raman silicon laser,” Nature 433, 725–728 (2005).
[Crossref] [PubMed]

H. Rong, A. Liu, R. Jones, O. Cohen, D. Hak, R. Nicolaescu, A. Fang, and M. Paniccia, “An all-silicon Raman laser,” Nature 433, 292–294 (2005).
[Crossref] [PubMed]

Q. Xu, V. R. Almeida, and M. Lipson, “Demonstration of high Raman gain in a submicrometer-size silicon-on-insulator waveguide,” Opt. Lett. 30, 35–37 (2005).
[Crossref] [PubMed]

M. L. Povinelli, S. G. Johnson, and J. D. Joannopoulos, “Slow-light, band-edge waveguides for tunable time delays,” Opt. Express 13, 7145–7159 (2005).
[Crossref] [PubMed]

H. Gersen, T. J. Karle, R. J. P. Engelen, W. Bogaerts, J. P. Korterik, N. F. van Hulst, T. F. Krauss, and L. Kuipers, “Real-space observation of ultraslow light in photonic crystal waveguides,” Phys. Rev. Lett. 94, 073903 (2005).
[Crossref] [PubMed]

Y. A. Vlasov, M. O’Boyle, H. F. Hamann, and S. J. McNab, “Active control of slow light on a chip with photonic crystal waveguides,” Nature 438, 65–69 (2005).
[Crossref] [PubMed]

J. MØrk, R. Kjaer, M. van der Poel, and K. Yvind, “Slow light in semiconductor waveguide at gigahertz frequencies,” Opt. Express 13, 8136–8145 (2005).
[Crossref] [PubMed]

M. van der Poel, J. MØrk, and J. Hvam, “Controllable delay of ultrashort pulses in a quantum dot optical amplifier,” Opt. Express 13, 8032–8037 (2005).
[Crossref] [PubMed]

X. Zhao, P. Palinginis, B. Pesala, C. Chang-Hasnain, and P. Hemmer, “Tunable ultraslow light in verticalcavity surface-emitting laser amplifier,” Opt. Express 13, 7899–7904 (2005).
[Crossref] [PubMed]

Y. Okawachi, M. S. Bigelow, J. E. Sharping, Z Zhu, A. Schweinsberg, D. J. Gauthier, R. W. Boyd, and A. L. Gaeta, “Tunable all-optical delays via Brillouin slow light in an optical fiber,” Phys. Rev. Lett. 94, 153902 (2005).
[Crossref] [PubMed]

K. Y. Song, M. G. Herráez, and L. Thévenaz, “Long optically controlled delays in optical fibers,” Opt. Lett. 30, 1782–1784 (2005).
[Crossref] [PubMed]

J. E. Sharping, Y. Okawachi, and A. L. Gaeta, “Wide bandwidth slow light using a Raman fiber amplifier,” Opt. Express 13, 6092–6098 (2005).
[Crossref] [PubMed]

Z. Zhu, D. J. Gauthier, Y. Okawachi, J. E. Sharping, A. L. Gaeta, R. W. Boyd, and A. E. Willner, “Numerical study of all-optical slow-light delays via stimulated Brillouin scattering in an optical fiber,” J. Opt. Soc. Am. B 22, 2378–2384 (2005).
[Crossref]

2004 (7)

R. L. Espinola, J. I. Dadap, R. M. Osgood, S. J. McNab, and Y. A. Vlasov, “Raman amplification in ultrasmall silicon-on-insulator wire waveguides,” Opt. Express 12, 3713–3718 (2004).
[Crossref] [PubMed]

M. Yanik, W. Suh, Z. Wang, and S. Fan, “Stopping light in a waveguide with an all-optical analog of electromagnetically induced transparency,” Phys. Rev. Lett. 93, 233903 (2004).
[Crossref] [PubMed]

O. Boyraz and B. Jalali, “Demonstration of a silicon Raman laser,” Opt. Express 12, 5269–5273 (2004).
[Crossref] [PubMed]

P. Ku, F. Sedgwick, C. J. Chang-Hasnain, P. Palinginis, T. Li, H. Wang, S. Chang, and S. Chuang, “Slow light in semiconductor quantum wells,” Opt. Lett. 29, 2291–2293 (2004).
[Crossref] [PubMed]

M. A. Foster, K. D. Moll, and A. L. Gaeta, “Optimal waveguide dimensions for nonlinear interactions,” Opt. Express 12, 2880–2887 (2004).
[Crossref] [PubMed]

V. R. Almeida, C. A. Barrios, R. R. Panepucci, and M. Lipson, “All-optical control of light in a silicon chip,” Nature 431, 1081–1084 (2004).
[Crossref] [PubMed]

H. Rong, A. Liu, R. Nicolaescu, M. Paniccia, O. Cohen, and D. Hak, “Raman gain and nonlinear optical absorption measurements in a low-loss silicon waveguide,” Appl. Phys. Lett. 85, 2196–2198 (2004).
[Crossref]

2003 (3)

2002 (3)

A. V. Turukhin, V. S. Sudarshanam, M. S. Shahriar, J. A. Musser, B. S. Ham, and P. R. Hemmer, “Observation of ultraslow and stored light pulses in a solid,” Phys. Rev. Lett. 88, 023602 (2002).
[Crossref] [PubMed]

R. W. Boyd and D. J. Gauthier, “‘Slow’ and ‘fast’ light,” Progress in Optics 43, edited by E. Wolf (Elsevier, Amsterdam, 2002), Chap. 6, p. 497–530.
[Crossref]

J. E. Heebner and R. W. Boyd, “‘Slow’ and ‘fast’ light in resonator-coupled waveguides,” J. Mod. Opt. 49, 2629–2636 (2002).
[Crossref]

2000 (1)

1999 (2)

L. V. Hau, S. E. Harris, Z. Dutton, and C. H. Behroozi, “Light speed reduction to 17 metres per second in an ultracold atomic gas,” Nature 397, 594–598 (1999).
[Crossref]

M. M. Kash, V. A. Sautenkov, A. S. Zibriv, L. Hollberg, G. R. Welch, M. D. Lukin, Y. Rostovtsev, E. S. Fry, and M. O. Scully, “Ultraslow group velocity and enhanced nonlinear optical effects in a coherently driven hot atomic gas,” Phys. Rev. Lett. 82, 5229–5232 (1999).
[Crossref]

1995 (1)

Ahuja, A.

Almeida, V. R.

Barrios, C. A.

V. R. Almeida, C. A. Barrios, R. R. Panepucci, and M. Lipson, “All-optical control of light in a silicon chip,” Nature 431, 1081–1084 (2004).
[Crossref] [PubMed]

Behroozi, C. H.

L. V. Hau, S. E. Harris, Z. Dutton, and C. H. Behroozi, “Light speed reduction to 17 metres per second in an ultracold atomic gas,” Nature 397, 594–598 (1999).
[Crossref]

Bigelow, M. S.

Y. Okawachi, M. S. Bigelow, J. E. Sharping, Z Zhu, A. Schweinsberg, D. J. Gauthier, R. W. Boyd, and A. L. Gaeta, “Tunable all-optical delays via Brillouin slow light in an optical fiber,” Phys. Rev. Lett. 94, 153902 (2005).
[Crossref] [PubMed]

M. S. Bigelow, N. N. Lepeshkin, and R. W. Boyd, “Observation of ultraslow light propagation in a ruby crystal at room temperature,” Phys. Rev. Lett. 90, 113903 (2003).
[Crossref] [PubMed]

Bogaerts, W.

H. Gersen, T. J. Karle, R. J. P. Engelen, W. Bogaerts, J. P. Korterik, N. F. van Hulst, T. F. Krauss, and L. Kuipers, “Real-space observation of ultraslow light in photonic crystal waveguides,” Phys. Rev. Lett. 94, 073903 (2005).
[Crossref] [PubMed]

Boyd, R. W.

Y. Okawachi, M. S. Bigelow, J. E. Sharping, Z Zhu, A. Schweinsberg, D. J. Gauthier, R. W. Boyd, and A. L. Gaeta, “Tunable all-optical delays via Brillouin slow light in an optical fiber,” Phys. Rev. Lett. 94, 153902 (2005).
[Crossref] [PubMed]

Z. Zhu, D. J. Gauthier, Y. Okawachi, J. E. Sharping, A. L. Gaeta, R. W. Boyd, and A. E. Willner, “Numerical study of all-optical slow-light delays via stimulated Brillouin scattering in an optical fiber,” J. Opt. Soc. Am. B 22, 2378–2384 (2005).
[Crossref]

M. S. Bigelow, N. N. Lepeshkin, and R. W. Boyd, “Observation of ultraslow light propagation in a ruby crystal at room temperature,” Phys. Rev. Lett. 90, 113903 (2003).
[Crossref] [PubMed]

R. W. Boyd and D. J. Gauthier, “‘Slow’ and ‘fast’ light,” Progress in Optics 43, edited by E. Wolf (Elsevier, Amsterdam, 2002), Chap. 6, p. 497–530.
[Crossref]

J. E. Heebner and R. W. Boyd, “‘Slow’ and ‘fast’ light in resonator-coupled waveguides,” J. Mod. Opt. 49, 2629–2636 (2002).
[Crossref]

Boyraz, O.

O. Boyraz and B. Jalali, “Demonstration of a silicon Raman laser,” Opt. Express 12, 5269–5273 (2004).
[Crossref] [PubMed]

V. Raghunathan, O. Boyraz, and B. Jalali, “20 dB on-off Raman amplification in silicon waveguides,” in Proceedings of CLEO ’05, paper CMU1 (2005).

Chang, S.

Chang-Hasnain, C.

Chang-Hasnain, C. J.

Chériaux, G.

Chuang, S.

Claps, R.

Cohen, O.

H. Rong, A. Liu, R. Jones, O. Cohen, D. Hak, R. Nicolaescu, A. Fang, and M. Paniccia, “An all-silicon Raman laser,” Nature 433, 292–294 (2005).
[Crossref] [PubMed]

H. Rong, R. Jones, A. Liu, O. Cohen, D. Hak, A. Fang, and M. Paniccia, “A continuous-wave Raman silicon laser,” Nature 433, 725–728 (2005).
[Crossref] [PubMed]

H. Rong, A. Liu, R. Nicolaescu, M. Paniccia, O. Cohen, and D. Hak, “Raman gain and nonlinear optical absorption measurements in a low-loss silicon waveguide,” Appl. Phys. Lett. 85, 2196–2198 (2004).
[Crossref]

Dadap, J. I.

Dimitropoulos, D.

Dutton, Z.

L. V. Hau, S. E. Harris, Z. Dutton, and C. H. Behroozi, “Light speed reduction to 17 metres per second in an ultracold atomic gas,” Nature 397, 594–598 (1999).
[Crossref]

Eggleton, B. J.

Engelen, R. J. P.

H. Gersen, T. J. Karle, R. J. P. Engelen, W. Bogaerts, J. P. Korterik, N. F. van Hulst, T. F. Krauss, and L. Kuipers, “Real-space observation of ultraslow light in photonic crystal waveguides,” Phys. Rev. Lett. 94, 073903 (2005).
[Crossref] [PubMed]

Espinola, R. L.

Fan, S.

M. Yanik, W. Suh, Z. Wang, and S. Fan, “Stopping light in a waveguide with an all-optical analog of electromagnetically induced transparency,” Phys. Rev. Lett. 93, 233903 (2004).
[Crossref] [PubMed]

Fang, A.

H. Rong, R. Jones, A. Liu, O. Cohen, D. Hak, A. Fang, and M. Paniccia, “A continuous-wave Raman silicon laser,” Nature 433, 725–728 (2005).
[Crossref] [PubMed]

H. Rong, A. Liu, R. Jones, O. Cohen, D. Hak, R. Nicolaescu, A. Fang, and M. Paniccia, “An all-silicon Raman laser,” Nature 433, 292–294 (2005).
[Crossref] [PubMed]

Foster, M. A.

Fry, E. S.

M. M. Kash, V. A. Sautenkov, A. S. Zibriv, L. Hollberg, G. R. Welch, M. D. Lukin, Y. Rostovtsev, E. S. Fry, and M. O. Scully, “Ultraslow group velocity and enhanced nonlinear optical effects in a coherently driven hot atomic gas,” Phys. Rev. Lett. 82, 5229–5232 (1999).
[Crossref]

Gaeta, A. L.

Gauthier, D. J.

Y. Okawachi, M. S. Bigelow, J. E. Sharping, Z Zhu, A. Schweinsberg, D. J. Gauthier, R. W. Boyd, and A. L. Gaeta, “Tunable all-optical delays via Brillouin slow light in an optical fiber,” Phys. Rev. Lett. 94, 153902 (2005).
[Crossref] [PubMed]

Z. Zhu, D. J. Gauthier, Y. Okawachi, J. E. Sharping, A. L. Gaeta, R. W. Boyd, and A. E. Willner, “Numerical study of all-optical slow-light delays via stimulated Brillouin scattering in an optical fiber,” J. Opt. Soc. Am. B 22, 2378–2384 (2005).
[Crossref]

R. W. Boyd and D. J. Gauthier, “‘Slow’ and ‘fast’ light,” Progress in Optics 43, edited by E. Wolf (Elsevier, Amsterdam, 2002), Chap. 6, p. 497–530.
[Crossref]

Gersen, H.

H. Gersen, T. J. Karle, R. J. P. Engelen, W. Bogaerts, J. P. Korterik, N. F. van Hulst, T. F. Krauss, and L. Kuipers, “Real-space observation of ultraslow light in photonic crystal waveguides,” Phys. Rev. Lett. 94, 073903 (2005).
[Crossref] [PubMed]

Hak, D.

H. Rong, A. Liu, R. Jones, O. Cohen, D. Hak, R. Nicolaescu, A. Fang, and M. Paniccia, “An all-silicon Raman laser,” Nature 433, 292–294 (2005).
[Crossref] [PubMed]

H. Rong, R. Jones, A. Liu, O. Cohen, D. Hak, A. Fang, and M. Paniccia, “A continuous-wave Raman silicon laser,” Nature 433, 725–728 (2005).
[Crossref] [PubMed]

H. Rong, A. Liu, R. Nicolaescu, M. Paniccia, O. Cohen, and D. Hak, “Raman gain and nonlinear optical absorption measurements in a low-loss silicon waveguide,” Appl. Phys. Lett. 85, 2196–2198 (2004).
[Crossref]

Ham, B. S.

A. V. Turukhin, V. S. Sudarshanam, M. S. Shahriar, J. A. Musser, B. S. Ham, and P. R. Hemmer, “Observation of ultraslow and stored light pulses in a solid,” Phys. Rev. Lett. 88, 023602 (2002).
[Crossref] [PubMed]

Hamann, H. F.

Y. A. Vlasov, M. O’Boyle, H. F. Hamann, and S. J. McNab, “Active control of slow light on a chip with photonic crystal waveguides,” Nature 438, 65–69 (2005).
[Crossref] [PubMed]

Han, Y.

Harris, S. E.

L. V. Hau, S. E. Harris, Z. Dutton, and C. H. Behroozi, “Light speed reduction to 17 metres per second in an ultracold atomic gas,” Nature 397, 594–598 (1999).
[Crossref]

Hau, L. V.

L. V. Hau, S. E. Harris, Z. Dutton, and C. H. Behroozi, “Light speed reduction to 17 metres per second in an ultracold atomic gas,” Nature 397, 594–598 (1999).
[Crossref]

Heebner, J. E.

J. E. Heebner and R. W. Boyd, “‘Slow’ and ‘fast’ light in resonator-coupled waveguides,” J. Mod. Opt. 49, 2629–2636 (2002).
[Crossref]

Hemmer, P.

Hemmer, P. R.

A. V. Turukhin, V. S. Sudarshanam, M. S. Shahriar, J. A. Musser, B. S. Ham, and P. R. Hemmer, “Observation of ultraslow and stored light pulses in a solid,” Phys. Rev. Lett. 88, 023602 (2002).
[Crossref] [PubMed]

Herráez, M. G.

Hollberg, L.

M. M. Kash, V. A. Sautenkov, A. S. Zibriv, L. Hollberg, G. R. Welch, M. D. Lukin, Y. Rostovtsev, E. S. Fry, and M. O. Scully, “Ultraslow group velocity and enhanced nonlinear optical effects in a coherently driven hot atomic gas,” Phys. Rev. Lett. 82, 5229–5232 (1999).
[Crossref]

Hvam, J.

Jalali, B.

Joannopoulos, J. D.

Joffre, M.

Johnson, S. G.

Jones, R.

H. Rong, A. Liu, R. Jones, O. Cohen, D. Hak, R. Nicolaescu, A. Fang, and M. Paniccia, “An all-silicon Raman laser,” Nature 433, 292–294 (2005).
[Crossref] [PubMed]

H. Rong, R. Jones, A. Liu, O. Cohen, D. Hak, A. Fang, and M. Paniccia, “A continuous-wave Raman silicon laser,” Nature 433, 725–728 (2005).
[Crossref] [PubMed]

Karle, T. J.

H. Gersen, T. J. Karle, R. J. P. Engelen, W. Bogaerts, J. P. Korterik, N. F. van Hulst, T. F. Krauss, and L. Kuipers, “Real-space observation of ultraslow light in photonic crystal waveguides,” Phys. Rev. Lett. 94, 073903 (2005).
[Crossref] [PubMed]

Kash, M. M.

M. M. Kash, V. A. Sautenkov, A. S. Zibriv, L. Hollberg, G. R. Welch, M. D. Lukin, Y. Rostovtsev, E. S. Fry, and M. O. Scully, “Ultraslow group velocity and enhanced nonlinear optical effects in a coherently driven hot atomic gas,” Phys. Rev. Lett. 82, 5229–5232 (1999).
[Crossref]

Kjaer, R.

Korterik, J. P.

H. Gersen, T. J. Karle, R. J. P. Engelen, W. Bogaerts, J. P. Korterik, N. F. van Hulst, T. F. Krauss, and L. Kuipers, “Real-space observation of ultraslow light in photonic crystal waveguides,” Phys. Rev. Lett. 94, 073903 (2005).
[Crossref] [PubMed]

Krauss, T. F.

H. Gersen, T. J. Karle, R. J. P. Engelen, W. Bogaerts, J. P. Korterik, N. F. van Hulst, T. F. Krauss, and L. Kuipers, “Real-space observation of ultraslow light in photonic crystal waveguides,” Phys. Rev. Lett. 94, 073903 (2005).
[Crossref] [PubMed]

Ku, P.

Kuipers, L.

H. Gersen, T. J. Karle, R. J. P. Engelen, W. Bogaerts, J. P. Korterik, N. F. van Hulst, T. F. Krauss, and L. Kuipers, “Real-space observation of ultraslow light in photonic crystal waveguides,” Phys. Rev. Lett. 94, 073903 (2005).
[Crossref] [PubMed]

Kuo, P.

Lepeshkin, N. N.

M. S. Bigelow, N. N. Lepeshkin, and R. W. Boyd, “Observation of ultraslow light propagation in a ruby crystal at room temperature,” Phys. Rev. Lett. 90, 113903 (2003).
[Crossref] [PubMed]

Lepetit, L.

Li, T.

Lipson, M.

Liu, A.

H. Rong, R. Jones, A. Liu, O. Cohen, D. Hak, A. Fang, and M. Paniccia, “A continuous-wave Raman silicon laser,” Nature 433, 725–728 (2005).
[Crossref] [PubMed]

H. Rong, A. Liu, R. Jones, O. Cohen, D. Hak, R. Nicolaescu, A. Fang, and M. Paniccia, “An all-silicon Raman laser,” Nature 433, 292–294 (2005).
[Crossref] [PubMed]

H. Rong, A. Liu, R. Nicolaescu, M. Paniccia, O. Cohen, and D. Hak, “Raman gain and nonlinear optical absorption measurements in a low-loss silicon waveguide,” Appl. Phys. Lett. 85, 2196–2198 (2004).
[Crossref]

Lukin, M. D.

M. M. Kash, V. A. Sautenkov, A. S. Zibriv, L. Hollberg, G. R. Welch, M. D. Lukin, Y. Rostovtsev, E. S. Fry, and M. O. Scully, “Ultraslow group velocity and enhanced nonlinear optical effects in a coherently driven hot atomic gas,” Phys. Rev. Lett. 82, 5229–5232 (1999).
[Crossref]

McNab, S. J.

Y. A. Vlasov, M. O’Boyle, H. F. Hamann, and S. J. McNab, “Active control of slow light on a chip with photonic crystal waveguides,” Nature 438, 65–69 (2005).
[Crossref] [PubMed]

R. L. Espinola, J. I. Dadap, R. M. Osgood, S. J. McNab, and Y. A. Vlasov, “Raman amplification in ultrasmall silicon-on-insulator wire waveguides,” Opt. Express 12, 3713–3718 (2004).
[Crossref] [PubMed]

Mikkelsen, B.

Moll, K. D.

MØrk, J.

Musser, J. A.

A. V. Turukhin, V. S. Sudarshanam, M. S. Shahriar, J. A. Musser, B. S. Ham, and P. R. Hemmer, “Observation of ultraslow and stored light pulses in a solid,” Phys. Rev. Lett. 88, 023602 (2002).
[Crossref] [PubMed]

Nicolaescu, R.

H. Rong, A. Liu, R. Jones, O. Cohen, D. Hak, R. Nicolaescu, A. Fang, and M. Paniccia, “An all-silicon Raman laser,” Nature 433, 292–294 (2005).
[Crossref] [PubMed]

H. Rong, A. Liu, R. Nicolaescu, M. Paniccia, O. Cohen, and D. Hak, “Raman gain and nonlinear optical absorption measurements in a low-loss silicon waveguide,” Appl. Phys. Lett. 85, 2196–2198 (2004).
[Crossref]

Nielsen, T. N.

O’Boyle, M.

Y. A. Vlasov, M. O’Boyle, H. F. Hamann, and S. J. McNab, “Active control of slow light on a chip with photonic crystal waveguides,” Nature 438, 65–69 (2005).
[Crossref] [PubMed]

Okawachi, Y.

Osgood, R. M.

Palinginis, P.

Panepucci, R. R.

V. R. Almeida, C. A. Barrios, R. R. Panepucci, and M. Lipson, “All-optical control of light in a silicon chip,” Nature 431, 1081–1084 (2004).
[Crossref] [PubMed]

V. R. Almeida, R. R. Panepucci, and M. Lipson, “Nanotapers for compact mode conversion,” Opt. Lett. 28, 1302–1304 (2003).
[Crossref] [PubMed]

Paniccia, M.

H. Rong, A. Liu, R. Jones, O. Cohen, D. Hak, R. Nicolaescu, A. Fang, and M. Paniccia, “An all-silicon Raman laser,” Nature 433, 292–294 (2005).
[Crossref] [PubMed]

H. Rong, R. Jones, A. Liu, O. Cohen, D. Hak, A. Fang, and M. Paniccia, “A continuous-wave Raman silicon laser,” Nature 433, 725–728 (2005).
[Crossref] [PubMed]

H. Rong, A. Liu, R. Nicolaescu, M. Paniccia, O. Cohen, and D. Hak, “Raman gain and nonlinear optical absorption measurements in a low-loss silicon waveguide,” Appl. Phys. Lett. 85, 2196–2198 (2004).
[Crossref]

Pesala, B.

Povinelli, M. L.

Raghunathan, V.

R. Claps, D. Dimitropoulos, V. Raghunathan, Y. Han, and B. Jalali, “Observation of stimulated Raman amplification in silicon waveguides,” Opt. Express 11, 1731–1739 (2003).
[Crossref] [PubMed]

V. Raghunathan, O. Boyraz, and B. Jalali, “20 dB on-off Raman amplification in silicon waveguides,” in Proceedings of CLEO ’05, paper CMU1 (2005).

Rogers, J. A.

Rong, H.

H. Rong, A. Liu, R. Jones, O. Cohen, D. Hak, R. Nicolaescu, A. Fang, and M. Paniccia, “An all-silicon Raman laser,” Nature 433, 292–294 (2005).
[Crossref] [PubMed]

H. Rong, R. Jones, A. Liu, O. Cohen, D. Hak, A. Fang, and M. Paniccia, “A continuous-wave Raman silicon laser,” Nature 433, 725–728 (2005).
[Crossref] [PubMed]

H. Rong, A. Liu, R. Nicolaescu, M. Paniccia, O. Cohen, and D. Hak, “Raman gain and nonlinear optical absorption measurements in a low-loss silicon waveguide,” Appl. Phys. Lett. 85, 2196–2198 (2004).
[Crossref]

Rostovtsev, Y.

M. M. Kash, V. A. Sautenkov, A. S. Zibriv, L. Hollberg, G. R. Welch, M. D. Lukin, Y. Rostovtsev, E. S. Fry, and M. O. Scully, “Ultraslow group velocity and enhanced nonlinear optical effects in a coherently driven hot atomic gas,” Phys. Rev. Lett. 82, 5229–5232 (1999).
[Crossref]

Sautenkov, V. A.

M. M. Kash, V. A. Sautenkov, A. S. Zibriv, L. Hollberg, G. R. Welch, M. D. Lukin, Y. Rostovtsev, E. S. Fry, and M. O. Scully, “Ultraslow group velocity and enhanced nonlinear optical effects in a coherently driven hot atomic gas,” Phys. Rev. Lett. 82, 5229–5232 (1999).
[Crossref]

Schweinsberg, A.

Y. Okawachi, M. S. Bigelow, J. E. Sharping, Z Zhu, A. Schweinsberg, D. J. Gauthier, R. W. Boyd, and A. L. Gaeta, “Tunable all-optical delays via Brillouin slow light in an optical fiber,” Phys. Rev. Lett. 94, 153902 (2005).
[Crossref] [PubMed]

Scully, M. O.

M. M. Kash, V. A. Sautenkov, A. S. Zibriv, L. Hollberg, G. R. Welch, M. D. Lukin, Y. Rostovtsev, E. S. Fry, and M. O. Scully, “Ultraslow group velocity and enhanced nonlinear optical effects in a coherently driven hot atomic gas,” Phys. Rev. Lett. 82, 5229–5232 (1999).
[Crossref]

Sedgwick, F.

Shahriar, M. S.

A. V. Turukhin, V. S. Sudarshanam, M. S. Shahriar, J. A. Musser, B. S. Ham, and P. R. Hemmer, “Observation of ultraslow and stored light pulses in a solid,” Phys. Rev. Lett. 88, 023602 (2002).
[Crossref] [PubMed]

Sharping, J. E.

Song, K. Y.

Sudarshanam, V. S.

A. V. Turukhin, V. S. Sudarshanam, M. S. Shahriar, J. A. Musser, B. S. Ham, and P. R. Hemmer, “Observation of ultraslow and stored light pulses in a solid,” Phys. Rev. Lett. 88, 023602 (2002).
[Crossref] [PubMed]

Suh, W.

M. Yanik, W. Suh, Z. Wang, and S. Fan, “Stopping light in a waveguide with an all-optical analog of electromagnetically induced transparency,” Phys. Rev. Lett. 93, 233903 (2004).
[Crossref] [PubMed]

Thévenaz, L.

Turukhin, A. V.

A. V. Turukhin, V. S. Sudarshanam, M. S. Shahriar, J. A. Musser, B. S. Ham, and P. R. Hemmer, “Observation of ultraslow and stored light pulses in a solid,” Phys. Rev. Lett. 88, 023602 (2002).
[Crossref] [PubMed]

van der Poel, M.

van Hulst, N. F.

H. Gersen, T. J. Karle, R. J. P. Engelen, W. Bogaerts, J. P. Korterik, N. F. van Hulst, T. F. Krauss, and L. Kuipers, “Real-space observation of ultraslow light in photonic crystal waveguides,” Phys. Rev. Lett. 94, 073903 (2005).
[Crossref] [PubMed]

Vlasov, Y. A.

Y. A. Vlasov, M. O’Boyle, H. F. Hamann, and S. J. McNab, “Active control of slow light on a chip with photonic crystal waveguides,” Nature 438, 65–69 (2005).
[Crossref] [PubMed]

R. L. Espinola, J. I. Dadap, R. M. Osgood, S. J. McNab, and Y. A. Vlasov, “Raman amplification in ultrasmall silicon-on-insulator wire waveguides,” Opt. Express 12, 3713–3718 (2004).
[Crossref] [PubMed]

Wang, H.

Wang, Z.

M. Yanik, W. Suh, Z. Wang, and S. Fan, “Stopping light in a waveguide with an all-optical analog of electromagnetically induced transparency,” Phys. Rev. Lett. 93, 233903 (2004).
[Crossref] [PubMed]

Welch, G. R.

M. M. Kash, V. A. Sautenkov, A. S. Zibriv, L. Hollberg, G. R. Welch, M. D. Lukin, Y. Rostovtsev, E. S. Fry, and M. O. Scully, “Ultraslow group velocity and enhanced nonlinear optical effects in a coherently driven hot atomic gas,” Phys. Rev. Lett. 82, 5229–5232 (1999).
[Crossref]

Westbrook, P. S.

Willner, A. E.

Xu, Q.

Yanik, M.

M. Yanik, W. Suh, Z. Wang, and S. Fan, “Stopping light in a waveguide with an all-optical analog of electromagnetically induced transparency,” Phys. Rev. Lett. 93, 233903 (2004).
[Crossref] [PubMed]

Yvind, K.

Zhao, X.

Zhu, Z

Y. Okawachi, M. S. Bigelow, J. E. Sharping, Z Zhu, A. Schweinsberg, D. J. Gauthier, R. W. Boyd, and A. L. Gaeta, “Tunable all-optical delays via Brillouin slow light in an optical fiber,” Phys. Rev. Lett. 94, 153902 (2005).
[Crossref] [PubMed]

Zhu, Z.

Zibriv, A. S.

M. M. Kash, V. A. Sautenkov, A. S. Zibriv, L. Hollberg, G. R. Welch, M. D. Lukin, Y. Rostovtsev, E. S. Fry, and M. O. Scully, “Ultraslow group velocity and enhanced nonlinear optical effects in a coherently driven hot atomic gas,” Phys. Rev. Lett. 82, 5229–5232 (1999).
[Crossref]

Appl. Phys. Lett. (1)

H. Rong, A. Liu, R. Nicolaescu, M. Paniccia, O. Cohen, and D. Hak, “Raman gain and nonlinear optical absorption measurements in a low-loss silicon waveguide,” Appl. Phys. Lett. 85, 2196–2198 (2004).
[Crossref]

J. Lightwave Technol. (1)

J. Mod. Opt. (1)

J. E. Heebner and R. W. Boyd, “‘Slow’ and ‘fast’ light in resonator-coupled waveguides,” J. Mod. Opt. 49, 2629–2636 (2002).
[Crossref]

J. Opt. Soc. Am. B (2)

Nature (5)

Y. A. Vlasov, M. O’Boyle, H. F. Hamann, and S. J. McNab, “Active control of slow light on a chip with photonic crystal waveguides,” Nature 438, 65–69 (2005).
[Crossref] [PubMed]

H. Rong, R. Jones, A. Liu, O. Cohen, D. Hak, A. Fang, and M. Paniccia, “A continuous-wave Raman silicon laser,” Nature 433, 725–728 (2005).
[Crossref] [PubMed]

H. Rong, A. Liu, R. Jones, O. Cohen, D. Hak, R. Nicolaescu, A. Fang, and M. Paniccia, “An all-silicon Raman laser,” Nature 433, 292–294 (2005).
[Crossref] [PubMed]

V. R. Almeida, C. A. Barrios, R. R. Panepucci, and M. Lipson, “All-optical control of light in a silicon chip,” Nature 431, 1081–1084 (2004).
[Crossref] [PubMed]

L. V. Hau, S. E. Harris, Z. Dutton, and C. H. Behroozi, “Light speed reduction to 17 metres per second in an ultracold atomic gas,” Nature 397, 594–598 (1999).
[Crossref]

Opt. Express (9)

M. A. Foster, K. D. Moll, and A. L. Gaeta, “Optimal waveguide dimensions for nonlinear interactions,” Opt. Express 12, 2880–2887 (2004).
[Crossref] [PubMed]

O. Boyraz and B. Jalali, “Demonstration of a silicon Raman laser,” Opt. Express 12, 5269–5273 (2004).
[Crossref] [PubMed]

R. Claps, D. Dimitropoulos, V. Raghunathan, Y. Han, and B. Jalali, “Observation of stimulated Raman amplification in silicon waveguides,” Opt. Express 11, 1731–1739 (2003).
[Crossref] [PubMed]

R. L. Espinola, J. I. Dadap, R. M. Osgood, S. J. McNab, and Y. A. Vlasov, “Raman amplification in ultrasmall silicon-on-insulator wire waveguides,” Opt. Express 12, 3713–3718 (2004).
[Crossref] [PubMed]

M. L. Povinelli, S. G. Johnson, and J. D. Joannopoulos, “Slow-light, band-edge waveguides for tunable time delays,” Opt. Express 13, 7145–7159 (2005).
[Crossref] [PubMed]

J. MØrk, R. Kjaer, M. van der Poel, and K. Yvind, “Slow light in semiconductor waveguide at gigahertz frequencies,” Opt. Express 13, 8136–8145 (2005).
[Crossref] [PubMed]

M. van der Poel, J. MØrk, and J. Hvam, “Controllable delay of ultrashort pulses in a quantum dot optical amplifier,” Opt. Express 13, 8032–8037 (2005).
[Crossref] [PubMed]

X. Zhao, P. Palinginis, B. Pesala, C. Chang-Hasnain, and P. Hemmer, “Tunable ultraslow light in verticalcavity surface-emitting laser amplifier,” Opt. Express 13, 7899–7904 (2005).
[Crossref] [PubMed]

J. E. Sharping, Y. Okawachi, and A. L. Gaeta, “Wide bandwidth slow light using a Raman fiber amplifier,” Opt. Express 13, 6092–6098 (2005).
[Crossref] [PubMed]

Opt. Lett. (4)

Phys. Rev. Lett. (6)

M. M. Kash, V. A. Sautenkov, A. S. Zibriv, L. Hollberg, G. R. Welch, M. D. Lukin, Y. Rostovtsev, E. S. Fry, and M. O. Scully, “Ultraslow group velocity and enhanced nonlinear optical effects in a coherently driven hot atomic gas,” Phys. Rev. Lett. 82, 5229–5232 (1999).
[Crossref]

A. V. Turukhin, V. S. Sudarshanam, M. S. Shahriar, J. A. Musser, B. S. Ham, and P. R. Hemmer, “Observation of ultraslow and stored light pulses in a solid,” Phys. Rev. Lett. 88, 023602 (2002).
[Crossref] [PubMed]

M. S. Bigelow, N. N. Lepeshkin, and R. W. Boyd, “Observation of ultraslow light propagation in a ruby crystal at room temperature,” Phys. Rev. Lett. 90, 113903 (2003).
[Crossref] [PubMed]

Y. Okawachi, M. S. Bigelow, J. E. Sharping, Z Zhu, A. Schweinsberg, D. J. Gauthier, R. W. Boyd, and A. L. Gaeta, “Tunable all-optical delays via Brillouin slow light in an optical fiber,” Phys. Rev. Lett. 94, 153902 (2005).
[Crossref] [PubMed]

H. Gersen, T. J. Karle, R. J. P. Engelen, W. Bogaerts, J. P. Korterik, N. F. van Hulst, T. F. Krauss, and L. Kuipers, “Real-space observation of ultraslow light in photonic crystal waveguides,” Phys. Rev. Lett. 94, 073903 (2005).
[Crossref] [PubMed]

M. Yanik, W. Suh, Z. Wang, and S. Fan, “Stopping light in a waveguide with an all-optical analog of electromagnetically induced transparency,” Phys. Rev. Lett. 93, 233903 (2004).
[Crossref] [PubMed]

Progress in Optics (1)

R. W. Boyd and D. J. Gauthier, “‘Slow’ and ‘fast’ light,” Progress in Optics 43, edited by E. Wolf (Elsevier, Amsterdam, 2002), Chap. 6, p. 497–530.
[Crossref]

Other (2)

See, for example, R. Ramaswami and K. N. Sivarajan, Optical Networks: A Practical Perspective (Morgan Kaufmann, San Francisco, CA, 2002), 2nd ed., Chap. 12.

V. Raghunathan, O. Boyraz, and B. Jalali, “20 dB on-off Raman amplification in silicon waveguides,” in Proceedings of CLEO ’05, paper CMU1 (2005).

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Figures (4)

Fig. 1.
Fig. 1. Top: Measured Raman gain (solid circles) and inferred refractive index change as a function of wavelength, which is derived via the Kramers-Kronig relations from the Lorentzian best-fit curve of the experimental points. Bottom: Plot of the inferred group index as a function of wavelength derived from the index change in the top plot.
Fig. 2.
Fig. 2. Left: Experimental setup for coupling into the SOI planar waveguide. Right: Schematic configuration for generating and measuring delay. The signal and pump pulses are overlapped in time going into the waveguide.
Fig. 3.
Fig. 3. Total measured delay as a function of the measured Raman gain parameter (dashed line represents the best fit to the data). Continuous tuning of the delay is generated between 0 and 282 fs. We observe the theoretically predicted linear relationship between the delay and the gain parameter.
Fig. 4.
Fig. 4. Amplitude of the Fourier transformed interferograms with no pump pulse and with a pump pulse for which the total delay is 4 ps.

Equations (2)

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n g ( ω ) = n ( ω ) + ω dn d ω .
Δ T D = G Γ R ,

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