Abstract

A high power, efficient, and tunable laser source in the 8–10 µm range, based on a ZnGeP2 optical parametric oscillator (OPO) pumped by a hybrid 2.1 µm laser is demonstrated. The hybrid laser consists of a Q-switched Ho:YAG laser pumped by a 15 W CW thulium fiber laser. With 8.9 W of 2.1 µm pump power we obtained 0.95 W at 8 µm with an M2- value of 2.7 from an OPO with two walk-off compensating crystals.

© 2008 Optical Society of America

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  1. L. Diehl, D. Bour, S. Corzine, J. Zhu, G. Hofler, M. Loncar, M. Troccoli, and C. Federico, "High-power quantum cascade lasers grown by low-pressure metal organic vapor-phase epitaxy operating in continuous wave above 400 K," Appl. Phys. Lett. 88, 201115 (2006).
    [CrossRef]
  2. E. Lippert, S. Nicolas, G. Arisholm, K. Stenersen, and G. Rustad, "Midinfrared laser source with high power and beam quality," Appl. Opt. 45, 3839-3845 (2006).
    [CrossRef] [PubMed]
  3. E. C. Cheung, S. Palese, H. Injeyan, C. Hoefer, J. Ho, R. Hilyard, H. Komine, and J. Berg, "High power conversion to mid-IR using KTP and ZGP OPOs," in OSA Trends in Optics and Photonics, M. M. Fejer, H. Injeyan, and U. Keller, eds. (Optical Society of America, Washingthon DC 1999), pp. 514-517.
  4. P. A. Ketteridge, P. A. Budni, P. Schunemann, M. L. Lemons, T. M. Pollak, and E. Chicklis, "Tunable all solid state average power ZGP OPO," in OSA Trends in Optics and Photonics, M. M. Fejer and W. R. Bosenberg, eds. (Optical Society of America, Washington DC 1998), pp. 233-235.
  5. D. E. Zelmon, E. A. Hanning, and P. G. Schunemann, "Refractive-index measurements and Sellmeier coefficients for zinc-germanium phosphide from 2 to 9 µm with implications for phase matching in optical frequency-conversion devices," J. Opt. Soc. Am. B 18, 1307-1310 (2001).
    [CrossRef]
  6. G. Arisholm, E. Lippert, G. Rustad, and K. Stenersen, "Effect of resonator length on a doubly resonant optical parametric oscillator pumped by a multilongitudinal-mode beam," Opt. Lett. 25, 1654-1656 (2000).
    [CrossRef]
  7. G. Rustad, E. Lippert, K. Stenersen, and G. Arisholm, "Enhanced power from a doubly resonant optical parametric oscillator by choice of resonator length," in OSA Trends in Optics and Photonics, C. Marshall, ed. (Optical Society of America, Washington, DC 2001), pp. 660-665.
  8. D. J. Armstrong, W. J. Alford, T. D. Raymond, A. V. Smith, and M. S. Bowers, "Parametric amplification and oscillation with walkoff-compensating crystals," J. Opt. Soc. Am. B  14, 460-474 (1997).
    [CrossRef]
  9. M. Padgett, F. G. Colville, and M. H. Dunn, "Modeselection in doubly-resonant optical parametric oscillators," IEEE J. Quantum Electron. QE-30, 2979-2985 (1994).
    [CrossRef]
  10. G. Rustad, S. Nicolas, E. Lippert, K. Stenersen, and G. Arisholm, "Tuning and dual wavelength operation of a ZGP OPO in the 8-11 micron range," in OSA Trends in Optics and Photonics, J. J. Zayhowski, ed. (Optical Society of America, Washington DC 2003), pp. 333-338.

2006 (2)

L. Diehl, D. Bour, S. Corzine, J. Zhu, G. Hofler, M. Loncar, M. Troccoli, and C. Federico, "High-power quantum cascade lasers grown by low-pressure metal organic vapor-phase epitaxy operating in continuous wave above 400 K," Appl. Phys. Lett. 88, 201115 (2006).
[CrossRef]

E. Lippert, S. Nicolas, G. Arisholm, K. Stenersen, and G. Rustad, "Midinfrared laser source with high power and beam quality," Appl. Opt. 45, 3839-3845 (2006).
[CrossRef] [PubMed]

2001 (1)

2000 (1)

1997 (1)

1994 (1)

M. Padgett, F. G. Colville, and M. H. Dunn, "Modeselection in doubly-resonant optical parametric oscillators," IEEE J. Quantum Electron. QE-30, 2979-2985 (1994).
[CrossRef]

Alford, W. J.

Arisholm, G.

Armstrong, D. J.

Bour, D.

L. Diehl, D. Bour, S. Corzine, J. Zhu, G. Hofler, M. Loncar, M. Troccoli, and C. Federico, "High-power quantum cascade lasers grown by low-pressure metal organic vapor-phase epitaxy operating in continuous wave above 400 K," Appl. Phys. Lett. 88, 201115 (2006).
[CrossRef]

Bowers, M. S.

Colville, F. G.

M. Padgett, F. G. Colville, and M. H. Dunn, "Modeselection in doubly-resonant optical parametric oscillators," IEEE J. Quantum Electron. QE-30, 2979-2985 (1994).
[CrossRef]

Corzine, S.

L. Diehl, D. Bour, S. Corzine, J. Zhu, G. Hofler, M. Loncar, M. Troccoli, and C. Federico, "High-power quantum cascade lasers grown by low-pressure metal organic vapor-phase epitaxy operating in continuous wave above 400 K," Appl. Phys. Lett. 88, 201115 (2006).
[CrossRef]

Diehl, L.

L. Diehl, D. Bour, S. Corzine, J. Zhu, G. Hofler, M. Loncar, M. Troccoli, and C. Federico, "High-power quantum cascade lasers grown by low-pressure metal organic vapor-phase epitaxy operating in continuous wave above 400 K," Appl. Phys. Lett. 88, 201115 (2006).
[CrossRef]

Dunn, M. H.

M. Padgett, F. G. Colville, and M. H. Dunn, "Modeselection in doubly-resonant optical parametric oscillators," IEEE J. Quantum Electron. QE-30, 2979-2985 (1994).
[CrossRef]

Federico, C.

L. Diehl, D. Bour, S. Corzine, J. Zhu, G. Hofler, M. Loncar, M. Troccoli, and C. Federico, "High-power quantum cascade lasers grown by low-pressure metal organic vapor-phase epitaxy operating in continuous wave above 400 K," Appl. Phys. Lett. 88, 201115 (2006).
[CrossRef]

Hanning, E. A.

Hofler, G.

L. Diehl, D. Bour, S. Corzine, J. Zhu, G. Hofler, M. Loncar, M. Troccoli, and C. Federico, "High-power quantum cascade lasers grown by low-pressure metal organic vapor-phase epitaxy operating in continuous wave above 400 K," Appl. Phys. Lett. 88, 201115 (2006).
[CrossRef]

Lippert, E.

Loncar, M.

L. Diehl, D. Bour, S. Corzine, J. Zhu, G. Hofler, M. Loncar, M. Troccoli, and C. Federico, "High-power quantum cascade lasers grown by low-pressure metal organic vapor-phase epitaxy operating in continuous wave above 400 K," Appl. Phys. Lett. 88, 201115 (2006).
[CrossRef]

Nicolas, S.

Padgett, M.

M. Padgett, F. G. Colville, and M. H. Dunn, "Modeselection in doubly-resonant optical parametric oscillators," IEEE J. Quantum Electron. QE-30, 2979-2985 (1994).
[CrossRef]

Raymond, T. D.

Rustad, G.

Schunemann, P. G.

Smith, A. V.

Stenersen, K.

Troccoli, M.

L. Diehl, D. Bour, S. Corzine, J. Zhu, G. Hofler, M. Loncar, M. Troccoli, and C. Federico, "High-power quantum cascade lasers grown by low-pressure metal organic vapor-phase epitaxy operating in continuous wave above 400 K," Appl. Phys. Lett. 88, 201115 (2006).
[CrossRef]

Zelmon, D. E.

Zhu, J.

L. Diehl, D. Bour, S. Corzine, J. Zhu, G. Hofler, M. Loncar, M. Troccoli, and C. Federico, "High-power quantum cascade lasers grown by low-pressure metal organic vapor-phase epitaxy operating in continuous wave above 400 K," Appl. Phys. Lett. 88, 201115 (2006).
[CrossRef]

Appl. Opt. (1)

Appl. Phys. Lett. (1)

L. Diehl, D. Bour, S. Corzine, J. Zhu, G. Hofler, M. Loncar, M. Troccoli, and C. Federico, "High-power quantum cascade lasers grown by low-pressure metal organic vapor-phase epitaxy operating in continuous wave above 400 K," Appl. Phys. Lett. 88, 201115 (2006).
[CrossRef]

IEEE J. Quantum Electron. (1)

M. Padgett, F. G. Colville, and M. H. Dunn, "Modeselection in doubly-resonant optical parametric oscillators," IEEE J. Quantum Electron. QE-30, 2979-2985 (1994).
[CrossRef]

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

Opt. Lett. (1)

Other (4)

G. Rustad, E. Lippert, K. Stenersen, and G. Arisholm, "Enhanced power from a doubly resonant optical parametric oscillator by choice of resonator length," in OSA Trends in Optics and Photonics, C. Marshall, ed. (Optical Society of America, Washington, DC 2001), pp. 660-665.

E. C. Cheung, S. Palese, H. Injeyan, C. Hoefer, J. Ho, R. Hilyard, H. Komine, and J. Berg, "High power conversion to mid-IR using KTP and ZGP OPOs," in OSA Trends in Optics and Photonics, M. M. Fejer, H. Injeyan, and U. Keller, eds. (Optical Society of America, Washingthon DC 1999), pp. 514-517.

P. A. Ketteridge, P. A. Budni, P. Schunemann, M. L. Lemons, T. M. Pollak, and E. Chicklis, "Tunable all solid state average power ZGP OPO," in OSA Trends in Optics and Photonics, M. M. Fejer and W. R. Bosenberg, eds. (Optical Society of America, Washington DC 1998), pp. 233-235.

G. Rustad, S. Nicolas, E. Lippert, K. Stenersen, and G. Arisholm, "Tuning and dual wavelength operation of a ZGP OPO in the 8-11 micron range," in OSA Trends in Optics and Photonics, J. J. Zayhowski, ed. (Optical Society of America, Washington DC 2003), pp. 333-338.

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Figures (5)

Fig. 1.
Fig. 1.

Experimental set-up.

Fig. 2.
Fig. 2.

(a) Idler output powers at 8 µm as a function of crystal separation for 8.9W pump power. (b) Selected idler spectra with 2 mm (red) and 8.5 mm separation (green). The error bars show min/max values of slow oscillations in output power due to drift of the double resonance mode clusters.

Fig. 3.
Fig. 3.

Input/output curves for single- and double-crystal-OPO tuned to 8 µm idler wavelength.

Fig. 4.
Fig. 4.

Angle tuning data for single- and double-crystal ZGP OPO. Insert: Phase matching calculations for idler wavelengths based on [5].

Fig. 5.
Fig. 5.

Comparison between the roundtrip-time-matched (RTM) OPO with 50 mm resonator length and a shorter OPO without RTM.

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