Abstract

A high-power dual-wavelength AlGaInAs / GaAs laser operating in a vertical external-cavity surface emitting geometry, grown by molecular beam epitaxy, is reported. The active regions of the laser are separated by an optical long-wave-pass filter to prevent absorption of short-wavelength radiation in the long-wavelength gain area. The maximum output power achieved at 15 °C was 0.75 W at λ ≈ 966 nm and 1.38 W at λ ≈ 1047 nm for the pump power of 21.2 W.

© 2007 Optical Society of America

1. Introduction

Despite the success of quantum-cascade lasers in the mid (MIR)- and far-infrared (FIR) spectral ranges [1], room-temperature continuous-wave operation at the wavelengths longer than 10 μm seems to be unattainable in the near future. Therefore, alternative approaches to achieve MIR (or FIR) radiation should be examined. Nonlinear optical three-wave interaction, accompanying by generation of difference frequency in these ranges can be regarded as an attractive approach [2,3]. To achieve an effective frequency-down conversion it is desirable to have a laser launching simultaneously two parent wavelengths. Moreover, the optimal device should emit both the wavelengths co-axially with total spatial overlap at high light power. In addition, an external cavity allowing for the use of a nonlinear crystal would be desirable. A dual-wavelength vertical external cavity surface-emitting laser (VECSEL) is an almost perfect device to fulfil these requirements. Intracavity difference frequency generation, instead, achieved by mixing of radiation from two separate lasers always needs complex equipment, including a servocontrol external cavity frequency [4]. In sharp contrast to this, in a dual-wavelength VECSEL, both wavelengths are modes of the cavity and remain enhanced by the cavity, irrespective of slight variations in resonance frequencies, thus enhancing the efficiency of nonlinear three-wave interaction.

Recently, an optically pumped dual-wavelength VECSEL was demonstrated by our group [5]. When designing a dual-wavelength semiconductor laser with wavelength separation tens of nanometers or more, two main difficulties appear. One of them is concerned with optical field interactions in the active region of the device; the other is related to possible mode competition for the gain. These problems are solvable in various ways [6–15]. The optical field interactions, mainly consisting of absorption of the shorter wavelength λs in the gain material of the longer wavelength λL, can be solved to some extent by having physically separated gain materials for λs and λL [6–8] or by using a wide-band semiconductor gain material, combined with a selective feedback from a grating and a slit mirror [9,10]. These lasers would include the use of complicated optics to produce a co-axial dual-wavelength beam. Approaches exploiting vertical coupled-cavity geometry offer somewhat more compact solutions [11–15]. However, it is necessary that the cavity coupling remains weak in order to diminish optical mode interaction, which means that the wavelength separation Δλ. = λL -λs > 30 nm would hardly be achievable [15]. An independent pump of the individual gain elements [6–8,13–15] or a specially designed multi-quantum well active region [9,10] have been used to alleviate the mode competition for the gain.

In our laser [5] the absorption of λs was reduced by placing the λL quantum wells (QWs) at the nodes of the λs standing wave pattern. This approach worked quite well, but due to slight unavoidable inaccuracies in growth of the laser structure and in modelling the device, residual absorption led to unstable operation of the laser under high-power emission [16]. The independent pumping of the QWs operating at λs and λL was achieved by dividing the active region into the subsections with the carrier blocking layers.

Recently, successful sum-frequency generation was obtained by our device [17], confirming the potential of dual-wavelength VECSEL for nonlinear frequency conversion.

A linearly polarized dual-wavelength operation at a multiple watt power level by an optically pumped VECSEL utilizing a tilted intracavity Fabry-Perot etalon and a Brewster window has been reported [18]. However, Δλ achieved was only about 2.1 nm.

As compared to edge emitting lasers, VECSELs have many attractive features which could be applied to their dual-wavelength counterparts. These features include good power scaling and high power operation in a circularly symmetric fundamental TEM00 mode [19]. To overcome the instability problems of our previous laser and to expand Δλ, we demonstrate in this paper a dual-wavelength VECSEL that does not require high accuracy in locating the λL QWs or in modelling the device. Our new device has a separate gain region for λs and λL. The λL gain region is isolated by an optical long-wave-pass filter to block λs from entering into the λL QWs. The structure resembles coupled-cavity VECSEL [11,12] with a specially designed intermediate mirror. Both the beams share the same optical axis, making alignment of the laser simple, and the optics required is similar to that of any single-wavelength VECSEL.

2. Device design

The laser was designed to be used as a source for intracavity difference frequency generation with a quasi-phase-matched GaAs nonlinear crystal as in [2,3]. Therefore, the wavelengths were chosen to fit the transparency window of the nonlinear crystal, to ensure good carrier confinement for λS QWs, and to control lattice strain introduced in the λL QWs. The maximum Δλ is limited by the last two factors, whereas for this particular design, the minimum Δλ is limited by the slope of the intracavity filter. Within these limits, Δλmax and Δλmin, the two wavelengths can be chosen arbitrarily. In order to avoid absorption of λS in the λL QWs, the gain sections for λS and λL were spatially separated. The λS QWs were located close to the surface of the device, while λL QWs were situated deeper in the structure. A long-wave-pass filter, which consisted of alternating 81-nm thick AlAs and 72-nm Al0.30GaAs layers, was placed between the two gain regions to prevent λS from penetrating into the λL QW region. The computed electric fields inside the layer structure are displayed in Fig. 1. The stop-band of the long-wave-pass filter was chosen to have λL at one of the reflection minima on the λL side of the filter.

 

Fig. 1. Index profile (continuous line) of the dual-wavelength VECSEL along with the electric field of λS (dashed line) and λL (dotted line).

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The λS and λL gain sections contained six compressively strained In0.14Ga0.86As QWs and seven strained In0.25Ga0.75As QWs, respectively, situated in the anti-nodes of the cavity standing wave to ensure good coupling between the optical field and the QWs. To cancel lattice strain induced by the QWs, the top active region had two strain-compensating layers of GaAs0.70P0.30 of 20 nm in thickness (see Fig. 1). The bottom active region had two 10-nm and three 20-nm thick GaAs0.70P0.30 layers. Carrier transport across the GaAs0.70P0.30 layers was blocked by high potential-energy barriers, which were automatically induced by the band-gap discontinuity at the GaAs0.70P0.30/GaAs heterojunctions. The locations of the GaAs0.70P0.30 layers were chosen to equalize absorption of pump light per QW.

3. Device fabrication and measurement setup

The layer structure was grown by molecular beam epitaxy (MBE) on a 2” n-GaAs (100) substrate after growth-rate calibrations under similar growth conditions to those given in [4]. A close agreement between the simulated reflectance and the measured reflectance is seen in Fig. 2. The largest deviations appearing near the absorption peaks of the QWs and near the resonances inside the structure are due to slight uncertainties in absorption coefficients and a red-shift chosen for computer simulations.

 

Fig. 2. Measured (continuous line) and simulated (dashed line) reflectivity spectra of the dual-wavelength VECSEL structure.

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A 2.5 × 2.5 mm2 chip of the gain material was capillary bonded to a natural diamond heat spreader. The V-shape VECSEL cavity setup with a 1 % output coupler was identical to the one published in [5]. The pump wavelength was 808 nm.

4. Results and discussion

The laser mount temperature was kept at 15 °C in all measurements. The output power (Pout) per laser beam was studied by means of a short-wave-pass filter. The threshold pump power was 2.3 W for λL and 5.4 W for λS (see Fig. 3). The maximum conversion efficiency of 10.8 % was achieved at the pump power of 16 W, corresponding to Pout ≈ 0.5 W and 1.2 W at λS and λL, respectively. The higher threshold and the lower slope efficiency for λS were likely due to the smaller number of the λS QWs and a weaker carrier confinement than those for λL.

The long wavelength, λL, reached a thermal roll-over condition before λS did so (which happened at the pump power of 19.4 W) because of higher thermal impedance caused by the optical long-wave-pass filter in the heat dissipation pathway. Therefore, the maximum simultaneous Pout was 0.75 W for λS and 1.38 W for λL at the pump power of 21.2 W.

Figure 4 shows the emission spectrum at the pump power of 17.7 W. The spectrum is made up of two peaks, one at λ ≈ 966 nm, the other at 1047 nm (record large Δλ ≈ 81nm for VECSELs). The beam quality factor M2 was 1.38 and 1.51 in the lateral directions (at the pump power of 16 W), measured by a scanning slit device with 5-μm wide slits and a silicon detector.

 

Fig. 3. Output power versus pump power for λS (dashed line) and for λL (dotted line).

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The temporal behaviour of the laser was investigated by measuring intensities of λS and λL versus operational time with a 1-GHz silicon detector. Both emissions exhibited unstable operation not until for Pout > 300 mW, having an AC component of little more than 20 % of the average intensity. The period of the AC component was about 2.5 ns. When compared to our previous dual-wavelength laser, instabilities of the new laser occurred at about twice higher Pout than those of the previous laser [5]. We believe that the short-wavelength absorption by the deeper QWs of our earlier design is now solved quite satisfactorily. However, other reasons for intensity noise (e.g., incomplete overlapping of the pump and lasing beams in the rather long active region, or short wavelength feedback through the filter) may still be present in the new design, but in fact intensity noise has also been observed in a single-wavelength VECSEL in [20], i.e., this phenomenon is not related to dual-wavelength emission alone. A more precise laser design and alignment will likely eliminate noise and increase Pout of this first ever proof-of-concept device.

 

Fig. 4. Output spectrum of the dual-wavelength VECSEL.

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5. Conclusions

We have demonstrated a high-power optically pumped dual-wavelength laser designed particularly for intracavity difference frequency generation with a quasi-phase-matched GaAs nonlinear crystal by integrating feedback mirrors and gain regions of two VECSELs into a single monolithically grown semiconductor heterostructure chip. The maximum output power, which was simultaneously obtained for the two wavelengths at 15°C, was 0.75 W for λS ≈ 966 nm and 1.38 W for λL ≈ 1047 nm, using the pump power of 21.2 W. Both emissions were stable for Pout < 300 mW, being significantly more stable than what was obtained by our previous dual-wavelength laser.

Acknowledgment

This work was supported, in part, by The Academy of Finland within Projects #115810 and #109080 and by the Ministry of Education within a national NanoPhotonics Program.

References and links

1. M. Beck, D. Hofstetter, T. Aellen, J. Faist, U. Oesterle, M. Illegems, E. Gini, and H. Melchior, “Continuous wave operation of a mid-infrared semiconductor laser at room temperature,” Science 295, 301–305 (2002). [CrossRef]   [PubMed]  

2. O. Levi, T.J. Pinguet, T. Skauli, L.A. Eyres, K.R. Parameswaran, J.S. Harris, M.M. Fejer, TJ. Kulp, S.E. Bisson, B. Gerard, E. Lallier, and L. Becouarn, “Difference frequency generation of 8-μm radiation in orientation-patterned GaAs,” Opt. Lett. 27, 2091–2093 (2002). [CrossRef]  

3. D. Zheng, l.A Gordon, Y.S. Wu, R.S. Feigelson, M.M. Fejer, R.L. Byer, and K.L. Vodopyanov, “16-μm infrared generation by difference-frequency mixing in diffusion-bonded-stacked GaAs,” Opt. Lett. 23, 1010–1012 (1998). [CrossRef]  

4. U. Simon, S. Waltman, I. Loa, F.K. Tittel, and L Hollberg, “External-cavity difference-frequency source near 3.2 μm, based on combining a tunable diode laser with a diode-pumped Nd:YAG laser in AgGaS2,” J. Opt. Soc. Am. B 12, 323–327 (1995). [CrossRef]  

5. T. Leinonen, Yu. A. Morozov, A. Härkönen, and M. Pessa, ”Vertical external-cavity surface-emitting laser for dual-wavelength generation,” IEEE Photon. Technol. Lett. 17, 2508–2510 (2005). [CrossRef]  

6. K.R. Poguntke, J.B.D. Soole, A. Scherer, H.P. LeBlanc, C. Caneau, R Bhat, and M.A Koza, ”Simultaneous multiple wavelength operation of a multistripe array grating integrated cavity laser,” Appl. Phys. Lett. 62, 2024–2026 (1993). [CrossRef]  

7. C.L Wang, Y.H. Chuang, and C.L. Pan, ”Two-wavelength interferometer based on a two-color laser diode array and the second-order correlation technique,” Opt. Lett. 20, 1071–1073 (1995). [CrossRef]   [PubMed]  

8. C.L. Wang and C.L. Pan, ”Tunable multiterahertz beat signal generation from a two-wavelength laser-diode array,” Opt. Lett. 20, 1292–1294 (1995). [CrossRef]   [PubMed]  

9. C.-C. Huang, C.-H. Cheng, Y.-S. Su, and C.-F. Lin, ”174-nm mode spacing in dual-wavelength semicon-fuctor laser using nonidentical InGaAsP quantum wells,” IEEE Photon. Technol. Lett. 16, 371–373 (2004). [CrossRef]  

10. C.-F. Lin, M.-J. Chen, and B.-L Lee, ”Wide-range tunable dual-wavelength semiconductor laser using asymmetric dual quantum wells,” IEEE Photon. Technol. Lett. 10, 1208–1210 (1998). [CrossRef]  

11. P. Pellandini, R. Stanley, R. Houdre, U. Oesterle, and M. Ilegems, ”Dual-wavelength laser emission from a coupled semiconductor microcavity,” Appl. Phys. Lett. 71, 864–866 (1997). [CrossRef]  

12. P. Michler, M. Hilpert, and G. Reiner, ”Dynamics of dual-wavelength emission from a coupled semiconductor microcavity laser,” Appl. Phys. Lett. 70, 2073–2075 (1997). [CrossRef]  

13. M. Brunner, K. Gulden, R. Hovel, M. Moser, J.-F. Carlin, R.P. Stanley, and M. Ilegems, ”Continuous-wave dual-wavelength lasing in a two-section vertical-cavity laser,” IEEE Photon. Technol. Lett. 12, 1316–1318 (2000). [CrossRef]  

14. D.M. Grasso and K.D. Choquette, ”Threshold and modal characteristics of composite-resonator vertical-cavity lasers,” IEEE J. Quantum Electron. 39, 1526–1530 (2003). [CrossRef]  

15. V. Badilita, J.-F. Carlin, M. Ilegems, and K. Panajotov, ”Rate-equation model for coupled-cavity surface-emitting lasers,” IEEE J. Quantum Electron. 40, 1646–1656 (2004). [CrossRef]  

16. Y. A. Morozov, T. Leinonen, A. Härkönen, and M. Pessa, “Simultaneous Dual-Wavelength Emission from Vertical External-Cavity Surface-Emitting Laser: a Numerical Modeling,” IEEE J. Quantum Electron. 42, 1055–1061 (2006). [CrossRef]  

17. A. Härkönen, J. Rautiainen, T. Leinonen, Y.A. Morozov, L. Orsila, M. Guina, M. Pessa, and O.G. Okhot-nikov, “Intracavity sum-frequency generation in dual-wavelength semiconductor disk laser,” IEEE Photon. Technol. Lett. 19, 1550–1552 (2007). [CrossRef]  

18. L. Fan, M. Fallahi, J. Hader, A.R. Zakharian, J.V. Moloney, W. Stolz, S.W. Koch, R. Bedford, and J.T. Murray, “Linearly polarized dual-wavelength vertical-external-cavity surface-emitting laser,” Appl. Phys. Lett. 90, 181124 (2007). [CrossRef]  

19. A.C. Tropper, H.D. Foreman, A. Carnache, K.G. Wilcox, and S.H. Hoogland, ”Vertical-external-cavity semiconductor lasers,” J. Phys. D 37, R75–R85 (2004). [CrossRef]  

20. J.-M. Hopkins, A. J. Maclean, D. Burns, E. Riis, N. Schulz, M. Rattunde, C. Manz, K. Köhler, and J. Wagner, “Tunable, Single-frequency, Diode-pumped 2.3μm VECSEL,” Opt. Express 15, 8212–8217 (2007). [CrossRef]   [PubMed]  

References

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  1. M. Beck, D. Hofstetter, T. Aellen, J. Faist, U. Oesterle, M. Illegems, E. Gini, H. Melchior, "Continuous wave operation of a mid-infrared semiconductor laser at room temperature," Science 295, 301-305 (2002).
    [CrossRef] [PubMed]
  2. O. Levi, T.J. Pinguet, T. Skauli, L.A. Eyres, K.R. Parameswaran, J.S. Harris, M.M. Fejer, TJ. Kulp, S.E. Bisson, B. Gerard, E. Lallier, and L. Becouarn, "Difference frequency generation of 8-μm radiation in orientation-patterned GaAs," Opt. Lett. 27, 2091-2093 (2002).
    [CrossRef]
  3. D. Zheng, l.A. Gordon, Y.S. Wu, R.S. Feigelson, M.M. Fejer, R.L. Byer, and K.L. Vodopyanov, "16-μm infrared generation by difference-frequency mixing in diffusion-bonded-stacked GaAs," Opt. Lett. 23, 1010-1012 (1998).
    [CrossRef]
  4. U. Simon, S. Waltman, I. Loa, F.K. Tittel, and L. Hollberg, "External-cavity difference-frequency source near 3.2 μm, based on combining a tunable diode laser with a diode-pumped Nd:YAG laser in AgGaS2," J. Opt. Soc. Am. B 12, 323-327 (1995).
    [CrossRef]
  5. T. Leinonen, Yu. A. Morozov, A. Härkönen, and M. Pessa, "Vertical external-cavity surface-emitting laser for dual-wavelength generation," IEEE Photon. Technol. Lett. 17, 2508-2510 (2005).
    [CrossRef]
  6. K.R. Poguntke, J.B.D. Soole, A. Scherer, H.P. LeBlanc, C. Caneau, R. Bhat, and M.A. Koza, "Simultaneous multiple wavelength operation of a multistripe array grating integrated cavity laser," Appl. Phys. Lett. 62, 2024-2026 (1993).
    [CrossRef]
  7. C.L. Wang, Y.H. Chuang, and C.L. Pan, "Two-wavelength interferometer based on a two-color laser diode array and the second-order correlation technique," Opt. Lett. 20, 1071-1073 (1995).
    [CrossRef] [PubMed]
  8. C.L. Wang, and C.L. Pan, "Tunable multiterahertz beat signal generation from a two-wavelength laser-diode array," Opt. Lett. 20, 1292-1294 (1995).
    [CrossRef] [PubMed]
  9. C.-C. Huang, C.-H. Cheng, Y.-S. Su, and C.-F. Lin, "174-nm mode spacing in dual-wavelength semiconfuctor laser using nonidentical InGaAsP quantum wells," IEEE Photon. Technol. Lett. 16, 371-373 (2004).
    [CrossRef]
  10. C.-F. Lin, M.-J. Chen, and B.-L. Lee, "Wide-range tunable dual-wavelength semiconductor laser using asymmetric dual quantum wells," IEEE Photon. Technol. Lett. 10, 1208-1210 (1998).
    [CrossRef]
  11. P. Pellandini, R. Stanley, R. Houdre, U. Oesterle, and M. Ilegems, "Dual-wavelength laser emission from a coupled semiconductor microcavity," Appl. Phys. Lett. 71, 864-866 (1997).
    [CrossRef]
  12. P. Michler, M. Hilpert, and G. Reiner, "Dynamics of dual-wavelength emission from a coupled semiconductor microcavity laser," Appl. Phys. Lett. 70, 2073-2075 (1997).
    [CrossRef]
  13. M. Brunner, K. Gulden, R. Hovel, M. Moser, J.-F. Carlin, R.P. Stanley, and M. Ilegems, "Continuous-wave dual-wavelength lasing in a two-section vertical-cavity laser," IEEE Photon. Technol. Lett. 12, 1316-1318 (2000).
    [CrossRef]
  14. D.M. Grasso, and K.D. Choquette, "Threshold and modal characteristics of composite-resonator vertical-cavity lasers," IEEE J. Quantum Electron. 39, 1526-1530 (2003).
    [CrossRef]
  15. V. Badilita, J.-F. Carlin, M. Ilegems, and K. Panajotov, "Rate-equation model for coupled-cavity surface-emitting lasers," IEEE J. Quantum Electron. 40, 1646-1656 (2004).
    [CrossRef]
  16. Y.A. Morozov, T. Leinonen, A. Härkönen, and M. Pessa, "Simultaneous Dual-Wavelength Emission from Vertical External-Cavity Surface-Emitting Laser: a Numerical Modeling," IEEE J. Quantum Electron. 42, 1055-1061 (2006).
    [CrossRef]
  17. A. Härkönen, J. Rautiainen, T. Leinonen, Y.A. Morozov, L. Orsila, M. Guina, M. Pessa, and O.G. Okhotnikov, "Intracavity sum-frequency generation in dual-wavelength semiconductor disk laser," IEEE Photon. Technol. Lett. 19, 1550-1552 (2007).
    [CrossRef]
  18. L. Fan, M. Fallahi, J. Hader, A.R. Zakharian, J.V. Moloney, W. Stolz, S.W. Koch, R. Bedford, and J.T. Murray, "Linearly polarized dual-wavelength vertical-external-cavity surface-emitting laser," Appl. Phys. Lett. 90, 181124 (2007).
    [CrossRef]
  19. A.C. Tropper, H.D. Foreman, A. Carnache, K.G. Wilcox, and S.H. Hoogland, "Vertical-external-cavity semiconductor lasers," J. Phys. D 37, R75-R85 (2004).
    [CrossRef]
  20. J.-M. Hopkins, A. J. Maclean, D. Burns, E. Riis, N. Schulz, M. Rattunde, C. Manz, K. Köhler, and J. Wag-ner, "Tunable, Single-frequency, Diode-pumped 2.3µm VECSEL," Opt. Express 15, 8212-8217 (2007).
    [CrossRef] [PubMed]

2007 (3)

A. Härkönen, J. Rautiainen, T. Leinonen, Y.A. Morozov, L. Orsila, M. Guina, M. Pessa, and O.G. Okhotnikov, "Intracavity sum-frequency generation in dual-wavelength semiconductor disk laser," IEEE Photon. Technol. Lett. 19, 1550-1552 (2007).
[CrossRef]

L. Fan, M. Fallahi, J. Hader, A.R. Zakharian, J.V. Moloney, W. Stolz, S.W. Koch, R. Bedford, and J.T. Murray, "Linearly polarized dual-wavelength vertical-external-cavity surface-emitting laser," Appl. Phys. Lett. 90, 181124 (2007).
[CrossRef]

J.-M. Hopkins, A. J. Maclean, D. Burns, E. Riis, N. Schulz, M. Rattunde, C. Manz, K. Köhler, and J. Wag-ner, "Tunable, Single-frequency, Diode-pumped 2.3µm VECSEL," Opt. Express 15, 8212-8217 (2007).
[CrossRef] [PubMed]

2006 (1)

Y.A. Morozov, T. Leinonen, A. Härkönen, and M. Pessa, "Simultaneous Dual-Wavelength Emission from Vertical External-Cavity Surface-Emitting Laser: a Numerical Modeling," IEEE J. Quantum Electron. 42, 1055-1061 (2006).
[CrossRef]

2005 (1)

T. Leinonen, Yu. A. Morozov, A. Härkönen, and M. Pessa, "Vertical external-cavity surface-emitting laser for dual-wavelength generation," IEEE Photon. Technol. Lett. 17, 2508-2510 (2005).
[CrossRef]

2004 (3)

V. Badilita, J.-F. Carlin, M. Ilegems, and K. Panajotov, "Rate-equation model for coupled-cavity surface-emitting lasers," IEEE J. Quantum Electron. 40, 1646-1656 (2004).
[CrossRef]

C.-C. Huang, C.-H. Cheng, Y.-S. Su, and C.-F. Lin, "174-nm mode spacing in dual-wavelength semiconfuctor laser using nonidentical InGaAsP quantum wells," IEEE Photon. Technol. Lett. 16, 371-373 (2004).
[CrossRef]

A.C. Tropper, H.D. Foreman, A. Carnache, K.G. Wilcox, and S.H. Hoogland, "Vertical-external-cavity semiconductor lasers," J. Phys. D 37, R75-R85 (2004).
[CrossRef]

2003 (1)

D.M. Grasso, and K.D. Choquette, "Threshold and modal characteristics of composite-resonator vertical-cavity lasers," IEEE J. Quantum Electron. 39, 1526-1530 (2003).
[CrossRef]

2002 (2)

M. Beck, D. Hofstetter, T. Aellen, J. Faist, U. Oesterle, M. Illegems, E. Gini, H. Melchior, "Continuous wave operation of a mid-infrared semiconductor laser at room temperature," Science 295, 301-305 (2002).
[CrossRef] [PubMed]

O. Levi, T.J. Pinguet, T. Skauli, L.A. Eyres, K.R. Parameswaran, J.S. Harris, M.M. Fejer, TJ. Kulp, S.E. Bisson, B. Gerard, E. Lallier, and L. Becouarn, "Difference frequency generation of 8-μm radiation in orientation-patterned GaAs," Opt. Lett. 27, 2091-2093 (2002).
[CrossRef]

2000 (1)

M. Brunner, K. Gulden, R. Hovel, M. Moser, J.-F. Carlin, R.P. Stanley, and M. Ilegems, "Continuous-wave dual-wavelength lasing in a two-section vertical-cavity laser," IEEE Photon. Technol. Lett. 12, 1316-1318 (2000).
[CrossRef]

1998 (2)

C.-F. Lin, M.-J. Chen, and B.-L. Lee, "Wide-range tunable dual-wavelength semiconductor laser using asymmetric dual quantum wells," IEEE Photon. Technol. Lett. 10, 1208-1210 (1998).
[CrossRef]

D. Zheng, l.A. Gordon, Y.S. Wu, R.S. Feigelson, M.M. Fejer, R.L. Byer, and K.L. Vodopyanov, "16-μm infrared generation by difference-frequency mixing in diffusion-bonded-stacked GaAs," Opt. Lett. 23, 1010-1012 (1998).
[CrossRef]

1997 (2)

P. Pellandini, R. Stanley, R. Houdre, U. Oesterle, and M. Ilegems, "Dual-wavelength laser emission from a coupled semiconductor microcavity," Appl. Phys. Lett. 71, 864-866 (1997).
[CrossRef]

P. Michler, M. Hilpert, and G. Reiner, "Dynamics of dual-wavelength emission from a coupled semiconductor microcavity laser," Appl. Phys. Lett. 70, 2073-2075 (1997).
[CrossRef]

1995 (3)

1993 (1)

K.R. Poguntke, J.B.D. Soole, A. Scherer, H.P. LeBlanc, C. Caneau, R. Bhat, and M.A. Koza, "Simultaneous multiple wavelength operation of a multistripe array grating integrated cavity laser," Appl. Phys. Lett. 62, 2024-2026 (1993).
[CrossRef]

Aellen, T.

M. Beck, D. Hofstetter, T. Aellen, J. Faist, U. Oesterle, M. Illegems, E. Gini, H. Melchior, "Continuous wave operation of a mid-infrared semiconductor laser at room temperature," Science 295, 301-305 (2002).
[CrossRef] [PubMed]

Badilita, V.

V. Badilita, J.-F. Carlin, M. Ilegems, and K. Panajotov, "Rate-equation model for coupled-cavity surface-emitting lasers," IEEE J. Quantum Electron. 40, 1646-1656 (2004).
[CrossRef]

Beck, M.

M. Beck, D. Hofstetter, T. Aellen, J. Faist, U. Oesterle, M. Illegems, E. Gini, H. Melchior, "Continuous wave operation of a mid-infrared semiconductor laser at room temperature," Science 295, 301-305 (2002).
[CrossRef] [PubMed]

Becouarn, L.

Bedford, R.

L. Fan, M. Fallahi, J. Hader, A.R. Zakharian, J.V. Moloney, W. Stolz, S.W. Koch, R. Bedford, and J.T. Murray, "Linearly polarized dual-wavelength vertical-external-cavity surface-emitting laser," Appl. Phys. Lett. 90, 181124 (2007).
[CrossRef]

Bhat, R.

K.R. Poguntke, J.B.D. Soole, A. Scherer, H.P. LeBlanc, C. Caneau, R. Bhat, and M.A. Koza, "Simultaneous multiple wavelength operation of a multistripe array grating integrated cavity laser," Appl. Phys. Lett. 62, 2024-2026 (1993).
[CrossRef]

Bisson, S.E.

Brunner, M.

M. Brunner, K. Gulden, R. Hovel, M. Moser, J.-F. Carlin, R.P. Stanley, and M. Ilegems, "Continuous-wave dual-wavelength lasing in a two-section vertical-cavity laser," IEEE Photon. Technol. Lett. 12, 1316-1318 (2000).
[CrossRef]

Burns, D.

Caneau, C.

K.R. Poguntke, J.B.D. Soole, A. Scherer, H.P. LeBlanc, C. Caneau, R. Bhat, and M.A. Koza, "Simultaneous multiple wavelength operation of a multistripe array grating integrated cavity laser," Appl. Phys. Lett. 62, 2024-2026 (1993).
[CrossRef]

Carlin, J.-F.

V. Badilita, J.-F. Carlin, M. Ilegems, and K. Panajotov, "Rate-equation model for coupled-cavity surface-emitting lasers," IEEE J. Quantum Electron. 40, 1646-1656 (2004).
[CrossRef]

M. Brunner, K. Gulden, R. Hovel, M. Moser, J.-F. Carlin, R.P. Stanley, and M. Ilegems, "Continuous-wave dual-wavelength lasing in a two-section vertical-cavity laser," IEEE Photon. Technol. Lett. 12, 1316-1318 (2000).
[CrossRef]

Carnache, A.

A.C. Tropper, H.D. Foreman, A. Carnache, K.G. Wilcox, and S.H. Hoogland, "Vertical-external-cavity semiconductor lasers," J. Phys. D 37, R75-R85 (2004).
[CrossRef]

Chen, M.-J.

C.-F. Lin, M.-J. Chen, and B.-L. Lee, "Wide-range tunable dual-wavelength semiconductor laser using asymmetric dual quantum wells," IEEE Photon. Technol. Lett. 10, 1208-1210 (1998).
[CrossRef]

Cheng, C.-H.

C.-C. Huang, C.-H. Cheng, Y.-S. Su, and C.-F. Lin, "174-nm mode spacing in dual-wavelength semiconfuctor laser using nonidentical InGaAsP quantum wells," IEEE Photon. Technol. Lett. 16, 371-373 (2004).
[CrossRef]

Choquette, K.D.

D.M. Grasso, and K.D. Choquette, "Threshold and modal characteristics of composite-resonator vertical-cavity lasers," IEEE J. Quantum Electron. 39, 1526-1530 (2003).
[CrossRef]

Chuang, Y.H.

Eyres, L.A.

Faist, J.

M. Beck, D. Hofstetter, T. Aellen, J. Faist, U. Oesterle, M. Illegems, E. Gini, H. Melchior, "Continuous wave operation of a mid-infrared semiconductor laser at room temperature," Science 295, 301-305 (2002).
[CrossRef] [PubMed]

Fallahi, M.

L. Fan, M. Fallahi, J. Hader, A.R. Zakharian, J.V. Moloney, W. Stolz, S.W. Koch, R. Bedford, and J.T. Murray, "Linearly polarized dual-wavelength vertical-external-cavity surface-emitting laser," Appl. Phys. Lett. 90, 181124 (2007).
[CrossRef]

Fan, L.

L. Fan, M. Fallahi, J. Hader, A.R. Zakharian, J.V. Moloney, W. Stolz, S.W. Koch, R. Bedford, and J.T. Murray, "Linearly polarized dual-wavelength vertical-external-cavity surface-emitting laser," Appl. Phys. Lett. 90, 181124 (2007).
[CrossRef]

Fejer, M.M.

Foreman, H.D.

A.C. Tropper, H.D. Foreman, A. Carnache, K.G. Wilcox, and S.H. Hoogland, "Vertical-external-cavity semiconductor lasers," J. Phys. D 37, R75-R85 (2004).
[CrossRef]

Gerard, B.

Gini, E.

M. Beck, D. Hofstetter, T. Aellen, J. Faist, U. Oesterle, M. Illegems, E. Gini, H. Melchior, "Continuous wave operation of a mid-infrared semiconductor laser at room temperature," Science 295, 301-305 (2002).
[CrossRef] [PubMed]

Grasso, D.M.

D.M. Grasso, and K.D. Choquette, "Threshold and modal characteristics of composite-resonator vertical-cavity lasers," IEEE J. Quantum Electron. 39, 1526-1530 (2003).
[CrossRef]

Guina, M.

A. Härkönen, J. Rautiainen, T. Leinonen, Y.A. Morozov, L. Orsila, M. Guina, M. Pessa, and O.G. Okhotnikov, "Intracavity sum-frequency generation in dual-wavelength semiconductor disk laser," IEEE Photon. Technol. Lett. 19, 1550-1552 (2007).
[CrossRef]

Gulden, K.

M. Brunner, K. Gulden, R. Hovel, M. Moser, J.-F. Carlin, R.P. Stanley, and M. Ilegems, "Continuous-wave dual-wavelength lasing in a two-section vertical-cavity laser," IEEE Photon. Technol. Lett. 12, 1316-1318 (2000).
[CrossRef]

Hader, J.

L. Fan, M. Fallahi, J. Hader, A.R. Zakharian, J.V. Moloney, W. Stolz, S.W. Koch, R. Bedford, and J.T. Murray, "Linearly polarized dual-wavelength vertical-external-cavity surface-emitting laser," Appl. Phys. Lett. 90, 181124 (2007).
[CrossRef]

Härkönen, A.

A. Härkönen, J. Rautiainen, T. Leinonen, Y.A. Morozov, L. Orsila, M. Guina, M. Pessa, and O.G. Okhotnikov, "Intracavity sum-frequency generation in dual-wavelength semiconductor disk laser," IEEE Photon. Technol. Lett. 19, 1550-1552 (2007).
[CrossRef]

Y.A. Morozov, T. Leinonen, A. Härkönen, and M. Pessa, "Simultaneous Dual-Wavelength Emission from Vertical External-Cavity Surface-Emitting Laser: a Numerical Modeling," IEEE J. Quantum Electron. 42, 1055-1061 (2006).
[CrossRef]

T. Leinonen, Yu. A. Morozov, A. Härkönen, and M. Pessa, "Vertical external-cavity surface-emitting laser for dual-wavelength generation," IEEE Photon. Technol. Lett. 17, 2508-2510 (2005).
[CrossRef]

Harris, J.S.

Hilpert, M.

P. Michler, M. Hilpert, and G. Reiner, "Dynamics of dual-wavelength emission from a coupled semiconductor microcavity laser," Appl. Phys. Lett. 70, 2073-2075 (1997).
[CrossRef]

Hofstetter, D.

M. Beck, D. Hofstetter, T. Aellen, J. Faist, U. Oesterle, M. Illegems, E. Gini, H. Melchior, "Continuous wave operation of a mid-infrared semiconductor laser at room temperature," Science 295, 301-305 (2002).
[CrossRef] [PubMed]

Hollberg, L.

Hoogland, S.H.

A.C. Tropper, H.D. Foreman, A. Carnache, K.G. Wilcox, and S.H. Hoogland, "Vertical-external-cavity semiconductor lasers," J. Phys. D 37, R75-R85 (2004).
[CrossRef]

Hopkins, J.-M.

Houdre, R.

P. Pellandini, R. Stanley, R. Houdre, U. Oesterle, and M. Ilegems, "Dual-wavelength laser emission from a coupled semiconductor microcavity," Appl. Phys. Lett. 71, 864-866 (1997).
[CrossRef]

Hovel, R.

M. Brunner, K. Gulden, R. Hovel, M. Moser, J.-F. Carlin, R.P. Stanley, and M. Ilegems, "Continuous-wave dual-wavelength lasing in a two-section vertical-cavity laser," IEEE Photon. Technol. Lett. 12, 1316-1318 (2000).
[CrossRef]

Huang, C.-C.

C.-C. Huang, C.-H. Cheng, Y.-S. Su, and C.-F. Lin, "174-nm mode spacing in dual-wavelength semiconfuctor laser using nonidentical InGaAsP quantum wells," IEEE Photon. Technol. Lett. 16, 371-373 (2004).
[CrossRef]

Ilegems, M.

V. Badilita, J.-F. Carlin, M. Ilegems, and K. Panajotov, "Rate-equation model for coupled-cavity surface-emitting lasers," IEEE J. Quantum Electron. 40, 1646-1656 (2004).
[CrossRef]

M. Brunner, K. Gulden, R. Hovel, M. Moser, J.-F. Carlin, R.P. Stanley, and M. Ilegems, "Continuous-wave dual-wavelength lasing in a two-section vertical-cavity laser," IEEE Photon. Technol. Lett. 12, 1316-1318 (2000).
[CrossRef]

P. Pellandini, R. Stanley, R. Houdre, U. Oesterle, and M. Ilegems, "Dual-wavelength laser emission from a coupled semiconductor microcavity," Appl. Phys. Lett. 71, 864-866 (1997).
[CrossRef]

Illegems, M.

M. Beck, D. Hofstetter, T. Aellen, J. Faist, U. Oesterle, M. Illegems, E. Gini, H. Melchior, "Continuous wave operation of a mid-infrared semiconductor laser at room temperature," Science 295, 301-305 (2002).
[CrossRef] [PubMed]

Koch, S.W.

L. Fan, M. Fallahi, J. Hader, A.R. Zakharian, J.V. Moloney, W. Stolz, S.W. Koch, R. Bedford, and J.T. Murray, "Linearly polarized dual-wavelength vertical-external-cavity surface-emitting laser," Appl. Phys. Lett. 90, 181124 (2007).
[CrossRef]

Köhler, K.

Koza, M.A.

K.R. Poguntke, J.B.D. Soole, A. Scherer, H.P. LeBlanc, C. Caneau, R. Bhat, and M.A. Koza, "Simultaneous multiple wavelength operation of a multistripe array grating integrated cavity laser," Appl. Phys. Lett. 62, 2024-2026 (1993).
[CrossRef]

Kulp, TJ.

Lallier, E.

LeBlanc, H.P.

K.R. Poguntke, J.B.D. Soole, A. Scherer, H.P. LeBlanc, C. Caneau, R. Bhat, and M.A. Koza, "Simultaneous multiple wavelength operation of a multistripe array grating integrated cavity laser," Appl. Phys. Lett. 62, 2024-2026 (1993).
[CrossRef]

Lee, B.-L.

C.-F. Lin, M.-J. Chen, and B.-L. Lee, "Wide-range tunable dual-wavelength semiconductor laser using asymmetric dual quantum wells," IEEE Photon. Technol. Lett. 10, 1208-1210 (1998).
[CrossRef]

Leinonen, T.

A. Härkönen, J. Rautiainen, T. Leinonen, Y.A. Morozov, L. Orsila, M. Guina, M. Pessa, and O.G. Okhotnikov, "Intracavity sum-frequency generation in dual-wavelength semiconductor disk laser," IEEE Photon. Technol. Lett. 19, 1550-1552 (2007).
[CrossRef]

Y.A. Morozov, T. Leinonen, A. Härkönen, and M. Pessa, "Simultaneous Dual-Wavelength Emission from Vertical External-Cavity Surface-Emitting Laser: a Numerical Modeling," IEEE J. Quantum Electron. 42, 1055-1061 (2006).
[CrossRef]

T. Leinonen, Yu. A. Morozov, A. Härkönen, and M. Pessa, "Vertical external-cavity surface-emitting laser for dual-wavelength generation," IEEE Photon. Technol. Lett. 17, 2508-2510 (2005).
[CrossRef]

Levi, O.

Lin, C.-F.

C.-C. Huang, C.-H. Cheng, Y.-S. Su, and C.-F. Lin, "174-nm mode spacing in dual-wavelength semiconfuctor laser using nonidentical InGaAsP quantum wells," IEEE Photon. Technol. Lett. 16, 371-373 (2004).
[CrossRef]

C.-F. Lin, M.-J. Chen, and B.-L. Lee, "Wide-range tunable dual-wavelength semiconductor laser using asymmetric dual quantum wells," IEEE Photon. Technol. Lett. 10, 1208-1210 (1998).
[CrossRef]

Loa, I.

Maclean, A. J.

Manz, C.

Melchior, H.

M. Beck, D. Hofstetter, T. Aellen, J. Faist, U. Oesterle, M. Illegems, E. Gini, H. Melchior, "Continuous wave operation of a mid-infrared semiconductor laser at room temperature," Science 295, 301-305 (2002).
[CrossRef] [PubMed]

Michler, P.

P. Michler, M. Hilpert, and G. Reiner, "Dynamics of dual-wavelength emission from a coupled semiconductor microcavity laser," Appl. Phys. Lett. 70, 2073-2075 (1997).
[CrossRef]

Moloney, J.V.

L. Fan, M. Fallahi, J. Hader, A.R. Zakharian, J.V. Moloney, W. Stolz, S.W. Koch, R. Bedford, and J.T. Murray, "Linearly polarized dual-wavelength vertical-external-cavity surface-emitting laser," Appl. Phys. Lett. 90, 181124 (2007).
[CrossRef]

Morozov, Y.A.

A. Härkönen, J. Rautiainen, T. Leinonen, Y.A. Morozov, L. Orsila, M. Guina, M. Pessa, and O.G. Okhotnikov, "Intracavity sum-frequency generation in dual-wavelength semiconductor disk laser," IEEE Photon. Technol. Lett. 19, 1550-1552 (2007).
[CrossRef]

Y.A. Morozov, T. Leinonen, A. Härkönen, and M. Pessa, "Simultaneous Dual-Wavelength Emission from Vertical External-Cavity Surface-Emitting Laser: a Numerical Modeling," IEEE J. Quantum Electron. 42, 1055-1061 (2006).
[CrossRef]

Morozov, Yu. A.

T. Leinonen, Yu. A. Morozov, A. Härkönen, and M. Pessa, "Vertical external-cavity surface-emitting laser for dual-wavelength generation," IEEE Photon. Technol. Lett. 17, 2508-2510 (2005).
[CrossRef]

Moser, M.

M. Brunner, K. Gulden, R. Hovel, M. Moser, J.-F. Carlin, R.P. Stanley, and M. Ilegems, "Continuous-wave dual-wavelength lasing in a two-section vertical-cavity laser," IEEE Photon. Technol. Lett. 12, 1316-1318 (2000).
[CrossRef]

Murray, J.T.

L. Fan, M. Fallahi, J. Hader, A.R. Zakharian, J.V. Moloney, W. Stolz, S.W. Koch, R. Bedford, and J.T. Murray, "Linearly polarized dual-wavelength vertical-external-cavity surface-emitting laser," Appl. Phys. Lett. 90, 181124 (2007).
[CrossRef]

Oesterle, U.

M. Beck, D. Hofstetter, T. Aellen, J. Faist, U. Oesterle, M. Illegems, E. Gini, H. Melchior, "Continuous wave operation of a mid-infrared semiconductor laser at room temperature," Science 295, 301-305 (2002).
[CrossRef] [PubMed]

P. Pellandini, R. Stanley, R. Houdre, U. Oesterle, and M. Ilegems, "Dual-wavelength laser emission from a coupled semiconductor microcavity," Appl. Phys. Lett. 71, 864-866 (1997).
[CrossRef]

Okhotnikov, O.G.

A. Härkönen, J. Rautiainen, T. Leinonen, Y.A. Morozov, L. Orsila, M. Guina, M. Pessa, and O.G. Okhotnikov, "Intracavity sum-frequency generation in dual-wavelength semiconductor disk laser," IEEE Photon. Technol. Lett. 19, 1550-1552 (2007).
[CrossRef]

Orsila, L.

A. Härkönen, J. Rautiainen, T. Leinonen, Y.A. Morozov, L. Orsila, M. Guina, M. Pessa, and O.G. Okhotnikov, "Intracavity sum-frequency generation in dual-wavelength semiconductor disk laser," IEEE Photon. Technol. Lett. 19, 1550-1552 (2007).
[CrossRef]

Pan, C.L.

Panajotov, K.

V. Badilita, J.-F. Carlin, M. Ilegems, and K. Panajotov, "Rate-equation model for coupled-cavity surface-emitting lasers," IEEE J. Quantum Electron. 40, 1646-1656 (2004).
[CrossRef]

Parameswaran, K.R.

Pellandini, P.

P. Pellandini, R. Stanley, R. Houdre, U. Oesterle, and M. Ilegems, "Dual-wavelength laser emission from a coupled semiconductor microcavity," Appl. Phys. Lett. 71, 864-866 (1997).
[CrossRef]

Pessa, M.

A. Härkönen, J. Rautiainen, T. Leinonen, Y.A. Morozov, L. Orsila, M. Guina, M. Pessa, and O.G. Okhotnikov, "Intracavity sum-frequency generation in dual-wavelength semiconductor disk laser," IEEE Photon. Technol. Lett. 19, 1550-1552 (2007).
[CrossRef]

Y.A. Morozov, T. Leinonen, A. Härkönen, and M. Pessa, "Simultaneous Dual-Wavelength Emission from Vertical External-Cavity Surface-Emitting Laser: a Numerical Modeling," IEEE J. Quantum Electron. 42, 1055-1061 (2006).
[CrossRef]

T. Leinonen, Yu. A. Morozov, A. Härkönen, and M. Pessa, "Vertical external-cavity surface-emitting laser for dual-wavelength generation," IEEE Photon. Technol. Lett. 17, 2508-2510 (2005).
[CrossRef]

Pinguet, T.J.

Poguntke, K.R.

K.R. Poguntke, J.B.D. Soole, A. Scherer, H.P. LeBlanc, C. Caneau, R. Bhat, and M.A. Koza, "Simultaneous multiple wavelength operation of a multistripe array grating integrated cavity laser," Appl. Phys. Lett. 62, 2024-2026 (1993).
[CrossRef]

Rattunde, M.

Rautiainen, J.

A. Härkönen, J. Rautiainen, T. Leinonen, Y.A. Morozov, L. Orsila, M. Guina, M. Pessa, and O.G. Okhotnikov, "Intracavity sum-frequency generation in dual-wavelength semiconductor disk laser," IEEE Photon. Technol. Lett. 19, 1550-1552 (2007).
[CrossRef]

Reiner, G.

P. Michler, M. Hilpert, and G. Reiner, "Dynamics of dual-wavelength emission from a coupled semiconductor microcavity laser," Appl. Phys. Lett. 70, 2073-2075 (1997).
[CrossRef]

Riis, E.

Scherer, A.

K.R. Poguntke, J.B.D. Soole, A. Scherer, H.P. LeBlanc, C. Caneau, R. Bhat, and M.A. Koza, "Simultaneous multiple wavelength operation of a multistripe array grating integrated cavity laser," Appl. Phys. Lett. 62, 2024-2026 (1993).
[CrossRef]

Schulz, N.

Simon, U.

Skauli, T.

Soole, J.B.D.

K.R. Poguntke, J.B.D. Soole, A. Scherer, H.P. LeBlanc, C. Caneau, R. Bhat, and M.A. Koza, "Simultaneous multiple wavelength operation of a multistripe array grating integrated cavity laser," Appl. Phys. Lett. 62, 2024-2026 (1993).
[CrossRef]

Stanley, R.

P. Pellandini, R. Stanley, R. Houdre, U. Oesterle, and M. Ilegems, "Dual-wavelength laser emission from a coupled semiconductor microcavity," Appl. Phys. Lett. 71, 864-866 (1997).
[CrossRef]

Stanley, R.P.

M. Brunner, K. Gulden, R. Hovel, M. Moser, J.-F. Carlin, R.P. Stanley, and M. Ilegems, "Continuous-wave dual-wavelength lasing in a two-section vertical-cavity laser," IEEE Photon. Technol. Lett. 12, 1316-1318 (2000).
[CrossRef]

Stolz, W.

L. Fan, M. Fallahi, J. Hader, A.R. Zakharian, J.V. Moloney, W. Stolz, S.W. Koch, R. Bedford, and J.T. Murray, "Linearly polarized dual-wavelength vertical-external-cavity surface-emitting laser," Appl. Phys. Lett. 90, 181124 (2007).
[CrossRef]

Su, Y.-S.

C.-C. Huang, C.-H. Cheng, Y.-S. Su, and C.-F. Lin, "174-nm mode spacing in dual-wavelength semiconfuctor laser using nonidentical InGaAsP quantum wells," IEEE Photon. Technol. Lett. 16, 371-373 (2004).
[CrossRef]

Tittel, F.K.

Tropper, A.C.

A.C. Tropper, H.D. Foreman, A. Carnache, K.G. Wilcox, and S.H. Hoogland, "Vertical-external-cavity semiconductor lasers," J. Phys. D 37, R75-R85 (2004).
[CrossRef]

Wag-ner, J.

Waltman, S.

Wang, C.L.

Wilcox, K.G.

A.C. Tropper, H.D. Foreman, A. Carnache, K.G. Wilcox, and S.H. Hoogland, "Vertical-external-cavity semiconductor lasers," J. Phys. D 37, R75-R85 (2004).
[CrossRef]

Zakharian, A.R.

L. Fan, M. Fallahi, J. Hader, A.R. Zakharian, J.V. Moloney, W. Stolz, S.W. Koch, R. Bedford, and J.T. Murray, "Linearly polarized dual-wavelength vertical-external-cavity surface-emitting laser," Appl. Phys. Lett. 90, 181124 (2007).
[CrossRef]

Zheng, D.

Appl. Phys. Lett. (4)

K.R. Poguntke, J.B.D. Soole, A. Scherer, H.P. LeBlanc, C. Caneau, R. Bhat, and M.A. Koza, "Simultaneous multiple wavelength operation of a multistripe array grating integrated cavity laser," Appl. Phys. Lett. 62, 2024-2026 (1993).
[CrossRef]

P. Pellandini, R. Stanley, R. Houdre, U. Oesterle, and M. Ilegems, "Dual-wavelength laser emission from a coupled semiconductor microcavity," Appl. Phys. Lett. 71, 864-866 (1997).
[CrossRef]

P. Michler, M. Hilpert, and G. Reiner, "Dynamics of dual-wavelength emission from a coupled semiconductor microcavity laser," Appl. Phys. Lett. 70, 2073-2075 (1997).
[CrossRef]

L. Fan, M. Fallahi, J. Hader, A.R. Zakharian, J.V. Moloney, W. Stolz, S.W. Koch, R. Bedford, and J.T. Murray, "Linearly polarized dual-wavelength vertical-external-cavity surface-emitting laser," Appl. Phys. Lett. 90, 181124 (2007).
[CrossRef]

IEEE J. Quantum Electron. (3)

D.M. Grasso, and K.D. Choquette, "Threshold and modal characteristics of composite-resonator vertical-cavity lasers," IEEE J. Quantum Electron. 39, 1526-1530 (2003).
[CrossRef]

V. Badilita, J.-F. Carlin, M. Ilegems, and K. Panajotov, "Rate-equation model for coupled-cavity surface-emitting lasers," IEEE J. Quantum Electron. 40, 1646-1656 (2004).
[CrossRef]

Y.A. Morozov, T. Leinonen, A. Härkönen, and M. Pessa, "Simultaneous Dual-Wavelength Emission from Vertical External-Cavity Surface-Emitting Laser: a Numerical Modeling," IEEE J. Quantum Electron. 42, 1055-1061 (2006).
[CrossRef]

IEEE Photon. Technol. Lett. (5)

A. Härkönen, J. Rautiainen, T. Leinonen, Y.A. Morozov, L. Orsila, M. Guina, M. Pessa, and O.G. Okhotnikov, "Intracavity sum-frequency generation in dual-wavelength semiconductor disk laser," IEEE Photon. Technol. Lett. 19, 1550-1552 (2007).
[CrossRef]

M. Brunner, K. Gulden, R. Hovel, M. Moser, J.-F. Carlin, R.P. Stanley, and M. Ilegems, "Continuous-wave dual-wavelength lasing in a two-section vertical-cavity laser," IEEE Photon. Technol. Lett. 12, 1316-1318 (2000).
[CrossRef]

C.-C. Huang, C.-H. Cheng, Y.-S. Su, and C.-F. Lin, "174-nm mode spacing in dual-wavelength semiconfuctor laser using nonidentical InGaAsP quantum wells," IEEE Photon. Technol. Lett. 16, 371-373 (2004).
[CrossRef]

C.-F. Lin, M.-J. Chen, and B.-L. Lee, "Wide-range tunable dual-wavelength semiconductor laser using asymmetric dual quantum wells," IEEE Photon. Technol. Lett. 10, 1208-1210 (1998).
[CrossRef]

T. Leinonen, Yu. A. Morozov, A. Härkönen, and M. Pessa, "Vertical external-cavity surface-emitting laser for dual-wavelength generation," IEEE Photon. Technol. Lett. 17, 2508-2510 (2005).
[CrossRef]

J. Opt. Soc. Am. B (1)

J. Phys. D (1)

A.C. Tropper, H.D. Foreman, A. Carnache, K.G. Wilcox, and S.H. Hoogland, "Vertical-external-cavity semiconductor lasers," J. Phys. D 37, R75-R85 (2004).
[CrossRef]

Opt. Express (1)

Opt. Lett. (4)

Science (1)

M. Beck, D. Hofstetter, T. Aellen, J. Faist, U. Oesterle, M. Illegems, E. Gini, H. Melchior, "Continuous wave operation of a mid-infrared semiconductor laser at room temperature," Science 295, 301-305 (2002).
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Figures (4)

Fig. 1.
Fig. 1.

Index profile (continuous line) of the dual-wavelength VECSEL along with the electric field of λS (dashed line) and λL (dotted line).

Fig. 2.
Fig. 2.

Measured (continuous line) and simulated (dashed line) reflectivity spectra of the dual-wavelength VECSEL structure.

Fig. 3.
Fig. 3.

Output power versus pump power for λS (dashed line) and for λL (dotted line).

Fig. 4.
Fig. 4.

Output spectrum of the dual-wavelength VECSEL.

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