Abstract

We report on cavity-dumping of a semiconductor disk laser as a method to generate energetic wavelength-tunable nanosecond pulses with repetition rates ranging from 0.1 to 4MHz. Experimentally, emission of 24ns pulses with peak output power of 41W in a single beam output (and of 30 ns with peak power of 57W in a combined beam output) with wavelength tuning from 1045 to 1080nm was obtained. Numerical modeling is also introduced to provide more insight into the most important parameters controlling this mode of operation and to define optimization avenues.

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References

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  1. S. Calvez, J. E. Hastie, M. Guina, O. G. Okhotnikov, and M. D. Dawson, “Semiconductor disk lasers for the generation of visible and ultraviolet radiation,” Laser Photonics Rev. 3(5), 407–434 (2009).
    [CrossRef]
  2. N. Schulz, J.-M. Hopkins, M. Rattunde, D. Burns, and J. Wagner, “High-brightness long-wavelength semiconductor disk lasers,” Laser Photonics Rev. 2(3), 160–181 (2008).
    [CrossRef]
  3. A. C. Tropper and S. Hoogland, “Extended cavity surface-emitting semiconductor lasers,” Prog. Quantum Electron. 30(1), 1–43 (2006).
    [CrossRef]
  4. U. Keller and A. C. Tropper, “Passively modelocked surface-emitting semiconductor lasers,” Phys. Rep. 429(2), 67–120 (2006).
    [CrossRef]
  5. J. E. Hastie, S. Calvez, M. D. Dawson, T. Leinonen, A. Laakso, J. Lyytikäinen, and M. Pessa, “High power CW red VECSEL with linearly polarized TEM00 output beam,” Opt. Express 13(1), 77–81 (2005).
    [CrossRef] [PubMed]
  6. B. Rösener, M. Rattunde, R. Moser, C. Manz, K. Köhler, and J. Wagner, “GaSb-based optically pumped semiconductor disk lasers emitting at a wavelength of 2.8 μm”, in Photonics West – LASE 2010, paper 7578–32 (2010).
  7. J. E. Hastie, L. G. Morton, A. J. Kemp, M. D. Dawson, A. B. Krysa, and J. S. Roberts, “Tunable ultraviolet output from an intracavity frequency-doubled red vertical-external-cavity surface-emitting laser,” Appl. Phys. Lett. 89(6), 061114 (2006).
    [CrossRef]
  8. J. Chilla, “Recent Advances in Optically Pumped Semiconductor Lasers,” in Proc. of the Conference on Photonic Applications Systems Technologies, San Jose, Paper PTuD3 (2008).
  9. D. J. M. Stothard, J.-M. Hopkins, D. Burns, and M. H. Dunn, “Stable, continuous-wave, intracavity, optical parametric oscillator pumped by a semiconductor disk laser (VECSEL),” Opt. Express 17(13), 10648–10658 (2009).
    [CrossRef] [PubMed]
  10. G. Baili, F. Bretenaker, M. Alouini, L. Morvan, D. Dolfi, and I. Sagnes, “Experimental Investigation and Analytical Modeling of Excess Intensity Noise in Semiconductor Class-A Lasers,” J. Lightwave Technol. 26(8), 952–961 (2008).
    [CrossRef]
  11. N. Hempler, J.-M. Hopkins, A. J. Kemp, N. Schulz, M. Rattunde, J. Wagner, M. D. Dawson, and D. Burns, “Pulsed pumping of semiconductor disk lasers,” Opt. Express 15(6), 3247–3256 (2007).
    [CrossRef] [PubMed]
  12. J.M. Yarborough, Y.-Y. Lai, Y. Kaneda, J. Hader, J.V. Moloney, T.J. Rotter, G. Balakrishnan, C. Hains, D. Huffaker, S.W. Koch, R. Bedford, “Record pulsed power demonstration of a 2 µm GaSb-based optically pumped semiconductor laser grown lattice-mismatched on an AlAs/GaAs Bragg mirror and substrate”, Applied Physics Letters 95, 081112–081112–3 (2009).
  13. H. L. Chang, S. C. Huang, Y.-F. Chen, K. W. Su, Y. F. Chen, and K. F. Huang, “Efficient high-peak-power AlGaInAs eye-safe wavelength disk laser with optical in-well pumping,” Opt. Express 17(14), 11409–11414 (2009).
    [CrossRef] [PubMed]
  14. S. C. Huang, H. L. Chang, K. W. Su, A. Li, S. C. Liu, Y. F. Chen, and K. F. Huang, “AlGaInAs/InP eye-safe laser pumped by a Q-switched Nd:GdVO4 laser,” Appl. Phys. B 94(3), 483–487 (2009).
    [CrossRef]
  15. D. Maydan, “Fast modulator for extraction of internal laser power,” J. Appl. Phys. 41(4), 1552–1559 (1970).
    [CrossRef]
  16. D. Maydan, “Q-Switching and Cavity Dumping of Nd:YAlG Lasers,” J. Appl. Phys. 42(3), 1031–1034 (1971).
    [CrossRef]
  17. H. A. Kruegle and L. Klein, “High peak power output, high PRF by cavity dumping a Nd:YAG laser,” Appl. Opt. 15(2), 466–471 (1976).
    [CrossRef] [PubMed]
  18. A. J. Maclean, R. B. Birch, P. W. Roth, A. J. Kemp, and D. Burns, “Limits on efficiency and power scaling in semiconductor disk lasers with diamond heatspreaders,” J. Opt. Soc. Am. B 26(12), 2228–2236 (2009).
    [CrossRef]
  19. L. A. Coldren, and S. W. Corzine, Diode Lasers and photonic integrated circuits (John Wiley and sons, Inc, 1995, ISBN 0–471–117875–3), chap. 2.
  20. M. Kuznetsov, F. Hakimi, R. Sprague, and A. Mooradian, “Design and characteristics of high-power (>0.5-W CW) diode-pumped vertical-extenal-cavity surface-emitting semiconductor lasers with circular TEM00 beams,” IEEE J. Sel. Top. Quantum Electron. 5(3), 561–573 (1999).
    [CrossRef]
  21. J. C. Butcher, Numerical methods for ordinary differential equations (John Wiley and sons, Inc, 2003, ISBN 0–471–96758–0), chap. 2.

2009

2008

G. Baili, F. Bretenaker, M. Alouini, L. Morvan, D. Dolfi, and I. Sagnes, “Experimental Investigation and Analytical Modeling of Excess Intensity Noise in Semiconductor Class-A Lasers,” J. Lightwave Technol. 26(8), 952–961 (2008).
[CrossRef]

N. Schulz, J.-M. Hopkins, M. Rattunde, D. Burns, and J. Wagner, “High-brightness long-wavelength semiconductor disk lasers,” Laser Photonics Rev. 2(3), 160–181 (2008).
[CrossRef]

2007

2006

A. C. Tropper and S. Hoogland, “Extended cavity surface-emitting semiconductor lasers,” Prog. Quantum Electron. 30(1), 1–43 (2006).
[CrossRef]

U. Keller and A. C. Tropper, “Passively modelocked surface-emitting semiconductor lasers,” Phys. Rep. 429(2), 67–120 (2006).
[CrossRef]

J. E. Hastie, L. G. Morton, A. J. Kemp, M. D. Dawson, A. B. Krysa, and J. S. Roberts, “Tunable ultraviolet output from an intracavity frequency-doubled red vertical-external-cavity surface-emitting laser,” Appl. Phys. Lett. 89(6), 061114 (2006).
[CrossRef]

2005

1999

M. Kuznetsov, F. Hakimi, R. Sprague, and A. Mooradian, “Design and characteristics of high-power (>0.5-W CW) diode-pumped vertical-extenal-cavity surface-emitting semiconductor lasers with circular TEM00 beams,” IEEE J. Sel. Top. Quantum Electron. 5(3), 561–573 (1999).
[CrossRef]

1976

1971

D. Maydan, “Q-Switching and Cavity Dumping of Nd:YAlG Lasers,” J. Appl. Phys. 42(3), 1031–1034 (1971).
[CrossRef]

1970

D. Maydan, “Fast modulator for extraction of internal laser power,” J. Appl. Phys. 41(4), 1552–1559 (1970).
[CrossRef]

Alouini, M.

Baili, G.

Birch, R. B.

Bretenaker, F.

Burns, D.

Calvez, S.

S. Calvez, J. E. Hastie, M. Guina, O. G. Okhotnikov, and M. D. Dawson, “Semiconductor disk lasers for the generation of visible and ultraviolet radiation,” Laser Photonics Rev. 3(5), 407–434 (2009).
[CrossRef]

J. E. Hastie, S. Calvez, M. D. Dawson, T. Leinonen, A. Laakso, J. Lyytikäinen, and M. Pessa, “High power CW red VECSEL with linearly polarized TEM00 output beam,” Opt. Express 13(1), 77–81 (2005).
[CrossRef] [PubMed]

Chang, H. L.

H. L. Chang, S. C. Huang, Y.-F. Chen, K. W. Su, Y. F. Chen, and K. F. Huang, “Efficient high-peak-power AlGaInAs eye-safe wavelength disk laser with optical in-well pumping,” Opt. Express 17(14), 11409–11414 (2009).
[CrossRef] [PubMed]

S. C. Huang, H. L. Chang, K. W. Su, A. Li, S. C. Liu, Y. F. Chen, and K. F. Huang, “AlGaInAs/InP eye-safe laser pumped by a Q-switched Nd:GdVO4 laser,” Appl. Phys. B 94(3), 483–487 (2009).
[CrossRef]

Chen, Y. F.

S. C. Huang, H. L. Chang, K. W. Su, A. Li, S. C. Liu, Y. F. Chen, and K. F. Huang, “AlGaInAs/InP eye-safe laser pumped by a Q-switched Nd:GdVO4 laser,” Appl. Phys. B 94(3), 483–487 (2009).
[CrossRef]

H. L. Chang, S. C. Huang, Y.-F. Chen, K. W. Su, Y. F. Chen, and K. F. Huang, “Efficient high-peak-power AlGaInAs eye-safe wavelength disk laser with optical in-well pumping,” Opt. Express 17(14), 11409–11414 (2009).
[CrossRef] [PubMed]

Chen, Y.-F.

Dawson, M. D.

S. Calvez, J. E. Hastie, M. Guina, O. G. Okhotnikov, and M. D. Dawson, “Semiconductor disk lasers for the generation of visible and ultraviolet radiation,” Laser Photonics Rev. 3(5), 407–434 (2009).
[CrossRef]

N. Hempler, J.-M. Hopkins, A. J. Kemp, N. Schulz, M. Rattunde, J. Wagner, M. D. Dawson, and D. Burns, “Pulsed pumping of semiconductor disk lasers,” Opt. Express 15(6), 3247–3256 (2007).
[CrossRef] [PubMed]

J. E. Hastie, L. G. Morton, A. J. Kemp, M. D. Dawson, A. B. Krysa, and J. S. Roberts, “Tunable ultraviolet output from an intracavity frequency-doubled red vertical-external-cavity surface-emitting laser,” Appl. Phys. Lett. 89(6), 061114 (2006).
[CrossRef]

J. E. Hastie, S. Calvez, M. D. Dawson, T. Leinonen, A. Laakso, J. Lyytikäinen, and M. Pessa, “High power CW red VECSEL with linearly polarized TEM00 output beam,” Opt. Express 13(1), 77–81 (2005).
[CrossRef] [PubMed]

Dolfi, D.

Dunn, M. H.

Guina, M.

S. Calvez, J. E. Hastie, M. Guina, O. G. Okhotnikov, and M. D. Dawson, “Semiconductor disk lasers for the generation of visible and ultraviolet radiation,” Laser Photonics Rev. 3(5), 407–434 (2009).
[CrossRef]

Hakimi, F.

M. Kuznetsov, F. Hakimi, R. Sprague, and A. Mooradian, “Design and characteristics of high-power (>0.5-W CW) diode-pumped vertical-extenal-cavity surface-emitting semiconductor lasers with circular TEM00 beams,” IEEE J. Sel. Top. Quantum Electron. 5(3), 561–573 (1999).
[CrossRef]

Hastie, J. E.

S. Calvez, J. E. Hastie, M. Guina, O. G. Okhotnikov, and M. D. Dawson, “Semiconductor disk lasers for the generation of visible and ultraviolet radiation,” Laser Photonics Rev. 3(5), 407–434 (2009).
[CrossRef]

J. E. Hastie, L. G. Morton, A. J. Kemp, M. D. Dawson, A. B. Krysa, and J. S. Roberts, “Tunable ultraviolet output from an intracavity frequency-doubled red vertical-external-cavity surface-emitting laser,” Appl. Phys. Lett. 89(6), 061114 (2006).
[CrossRef]

J. E. Hastie, S. Calvez, M. D. Dawson, T. Leinonen, A. Laakso, J. Lyytikäinen, and M. Pessa, “High power CW red VECSEL with linearly polarized TEM00 output beam,” Opt. Express 13(1), 77–81 (2005).
[CrossRef] [PubMed]

Hempler, N.

Hoogland, S.

A. C. Tropper and S. Hoogland, “Extended cavity surface-emitting semiconductor lasers,” Prog. Quantum Electron. 30(1), 1–43 (2006).
[CrossRef]

Hopkins, J.-M.

Huang, K. F.

H. L. Chang, S. C. Huang, Y.-F. Chen, K. W. Su, Y. F. Chen, and K. F. Huang, “Efficient high-peak-power AlGaInAs eye-safe wavelength disk laser with optical in-well pumping,” Opt. Express 17(14), 11409–11414 (2009).
[CrossRef] [PubMed]

S. C. Huang, H. L. Chang, K. W. Su, A. Li, S. C. Liu, Y. F. Chen, and K. F. Huang, “AlGaInAs/InP eye-safe laser pumped by a Q-switched Nd:GdVO4 laser,” Appl. Phys. B 94(3), 483–487 (2009).
[CrossRef]

Huang, S. C.

S. C. Huang, H. L. Chang, K. W. Su, A. Li, S. C. Liu, Y. F. Chen, and K. F. Huang, “AlGaInAs/InP eye-safe laser pumped by a Q-switched Nd:GdVO4 laser,” Appl. Phys. B 94(3), 483–487 (2009).
[CrossRef]

H. L. Chang, S. C. Huang, Y.-F. Chen, K. W. Su, Y. F. Chen, and K. F. Huang, “Efficient high-peak-power AlGaInAs eye-safe wavelength disk laser with optical in-well pumping,” Opt. Express 17(14), 11409–11414 (2009).
[CrossRef] [PubMed]

Keller, U.

U. Keller and A. C. Tropper, “Passively modelocked surface-emitting semiconductor lasers,” Phys. Rep. 429(2), 67–120 (2006).
[CrossRef]

Kemp, A. J.

Klein, L.

Kruegle, H. A.

Krysa, A. B.

J. E. Hastie, L. G. Morton, A. J. Kemp, M. D. Dawson, A. B. Krysa, and J. S. Roberts, “Tunable ultraviolet output from an intracavity frequency-doubled red vertical-external-cavity surface-emitting laser,” Appl. Phys. Lett. 89(6), 061114 (2006).
[CrossRef]

Kuznetsov, M.

M. Kuznetsov, F. Hakimi, R. Sprague, and A. Mooradian, “Design and characteristics of high-power (>0.5-W CW) diode-pumped vertical-extenal-cavity surface-emitting semiconductor lasers with circular TEM00 beams,” IEEE J. Sel. Top. Quantum Electron. 5(3), 561–573 (1999).
[CrossRef]

Laakso, A.

Leinonen, T.

Li, A.

S. C. Huang, H. L. Chang, K. W. Su, A. Li, S. C. Liu, Y. F. Chen, and K. F. Huang, “AlGaInAs/InP eye-safe laser pumped by a Q-switched Nd:GdVO4 laser,” Appl. Phys. B 94(3), 483–487 (2009).
[CrossRef]

Liu, S. C.

S. C. Huang, H. L. Chang, K. W. Su, A. Li, S. C. Liu, Y. F. Chen, and K. F. Huang, “AlGaInAs/InP eye-safe laser pumped by a Q-switched Nd:GdVO4 laser,” Appl. Phys. B 94(3), 483–487 (2009).
[CrossRef]

Lyytikäinen, J.

Maclean, A. J.

Maydan, D.

D. Maydan, “Q-Switching and Cavity Dumping of Nd:YAlG Lasers,” J. Appl. Phys. 42(3), 1031–1034 (1971).
[CrossRef]

D. Maydan, “Fast modulator for extraction of internal laser power,” J. Appl. Phys. 41(4), 1552–1559 (1970).
[CrossRef]

Mooradian, A.

M. Kuznetsov, F. Hakimi, R. Sprague, and A. Mooradian, “Design and characteristics of high-power (>0.5-W CW) diode-pumped vertical-extenal-cavity surface-emitting semiconductor lasers with circular TEM00 beams,” IEEE J. Sel. Top. Quantum Electron. 5(3), 561–573 (1999).
[CrossRef]

Morton, L. G.

J. E. Hastie, L. G. Morton, A. J. Kemp, M. D. Dawson, A. B. Krysa, and J. S. Roberts, “Tunable ultraviolet output from an intracavity frequency-doubled red vertical-external-cavity surface-emitting laser,” Appl. Phys. Lett. 89(6), 061114 (2006).
[CrossRef]

Morvan, L.

Okhotnikov, O. G.

S. Calvez, J. E. Hastie, M. Guina, O. G. Okhotnikov, and M. D. Dawson, “Semiconductor disk lasers for the generation of visible and ultraviolet radiation,” Laser Photonics Rev. 3(5), 407–434 (2009).
[CrossRef]

Pessa, M.

Rattunde, M.

N. Schulz, J.-M. Hopkins, M. Rattunde, D. Burns, and J. Wagner, “High-brightness long-wavelength semiconductor disk lasers,” Laser Photonics Rev. 2(3), 160–181 (2008).
[CrossRef]

N. Hempler, J.-M. Hopkins, A. J. Kemp, N. Schulz, M. Rattunde, J. Wagner, M. D. Dawson, and D. Burns, “Pulsed pumping of semiconductor disk lasers,” Opt. Express 15(6), 3247–3256 (2007).
[CrossRef] [PubMed]

Roberts, J. S.

J. E. Hastie, L. G. Morton, A. J. Kemp, M. D. Dawson, A. B. Krysa, and J. S. Roberts, “Tunable ultraviolet output from an intracavity frequency-doubled red vertical-external-cavity surface-emitting laser,” Appl. Phys. Lett. 89(6), 061114 (2006).
[CrossRef]

Roth, P. W.

Sagnes, I.

Schulz, N.

N. Schulz, J.-M. Hopkins, M. Rattunde, D. Burns, and J. Wagner, “High-brightness long-wavelength semiconductor disk lasers,” Laser Photonics Rev. 2(3), 160–181 (2008).
[CrossRef]

N. Hempler, J.-M. Hopkins, A. J. Kemp, N. Schulz, M. Rattunde, J. Wagner, M. D. Dawson, and D. Burns, “Pulsed pumping of semiconductor disk lasers,” Opt. Express 15(6), 3247–3256 (2007).
[CrossRef] [PubMed]

Sprague, R.

M. Kuznetsov, F. Hakimi, R. Sprague, and A. Mooradian, “Design and characteristics of high-power (>0.5-W CW) diode-pumped vertical-extenal-cavity surface-emitting semiconductor lasers with circular TEM00 beams,” IEEE J. Sel. Top. Quantum Electron. 5(3), 561–573 (1999).
[CrossRef]

Stothard, D. J. M.

Su, K. W.

H. L. Chang, S. C. Huang, Y.-F. Chen, K. W. Su, Y. F. Chen, and K. F. Huang, “Efficient high-peak-power AlGaInAs eye-safe wavelength disk laser with optical in-well pumping,” Opt. Express 17(14), 11409–11414 (2009).
[CrossRef] [PubMed]

S. C. Huang, H. L. Chang, K. W. Su, A. Li, S. C. Liu, Y. F. Chen, and K. F. Huang, “AlGaInAs/InP eye-safe laser pumped by a Q-switched Nd:GdVO4 laser,” Appl. Phys. B 94(3), 483–487 (2009).
[CrossRef]

Tropper, A. C.

A. C. Tropper and S. Hoogland, “Extended cavity surface-emitting semiconductor lasers,” Prog. Quantum Electron. 30(1), 1–43 (2006).
[CrossRef]

U. Keller and A. C. Tropper, “Passively modelocked surface-emitting semiconductor lasers,” Phys. Rep. 429(2), 67–120 (2006).
[CrossRef]

Wagner, J.

N. Schulz, J.-M. Hopkins, M. Rattunde, D. Burns, and J. Wagner, “High-brightness long-wavelength semiconductor disk lasers,” Laser Photonics Rev. 2(3), 160–181 (2008).
[CrossRef]

N. Hempler, J.-M. Hopkins, A. J. Kemp, N. Schulz, M. Rattunde, J. Wagner, M. D. Dawson, and D. Burns, “Pulsed pumping of semiconductor disk lasers,” Opt. Express 15(6), 3247–3256 (2007).
[CrossRef] [PubMed]

Appl. Opt.

Appl. Phys. B

S. C. Huang, H. L. Chang, K. W. Su, A. Li, S. C. Liu, Y. F. Chen, and K. F. Huang, “AlGaInAs/InP eye-safe laser pumped by a Q-switched Nd:GdVO4 laser,” Appl. Phys. B 94(3), 483–487 (2009).
[CrossRef]

Appl. Phys. Lett.

J. E. Hastie, L. G. Morton, A. J. Kemp, M. D. Dawson, A. B. Krysa, and J. S. Roberts, “Tunable ultraviolet output from an intracavity frequency-doubled red vertical-external-cavity surface-emitting laser,” Appl. Phys. Lett. 89(6), 061114 (2006).
[CrossRef]

IEEE J. Sel. Top. Quantum Electron.

M. Kuznetsov, F. Hakimi, R. Sprague, and A. Mooradian, “Design and characteristics of high-power (>0.5-W CW) diode-pumped vertical-extenal-cavity surface-emitting semiconductor lasers with circular TEM00 beams,” IEEE J. Sel. Top. Quantum Electron. 5(3), 561–573 (1999).
[CrossRef]

J. Appl. Phys.

D. Maydan, “Fast modulator for extraction of internal laser power,” J. Appl. Phys. 41(4), 1552–1559 (1970).
[CrossRef]

D. Maydan, “Q-Switching and Cavity Dumping of Nd:YAlG Lasers,” J. Appl. Phys. 42(3), 1031–1034 (1971).
[CrossRef]

J. Lightwave Technol.

J. Opt. Soc. Am. B

Laser Photonics Rev.

S. Calvez, J. E. Hastie, M. Guina, O. G. Okhotnikov, and M. D. Dawson, “Semiconductor disk lasers for the generation of visible and ultraviolet radiation,” Laser Photonics Rev. 3(5), 407–434 (2009).
[CrossRef]

N. Schulz, J.-M. Hopkins, M. Rattunde, D. Burns, and J. Wagner, “High-brightness long-wavelength semiconductor disk lasers,” Laser Photonics Rev. 2(3), 160–181 (2008).
[CrossRef]

Opt. Express

Phys. Rep.

U. Keller and A. C. Tropper, “Passively modelocked surface-emitting semiconductor lasers,” Phys. Rep. 429(2), 67–120 (2006).
[CrossRef]

Prog. Quantum Electron.

A. C. Tropper and S. Hoogland, “Extended cavity surface-emitting semiconductor lasers,” Prog. Quantum Electron. 30(1), 1–43 (2006).
[CrossRef]

Other

B. Rösener, M. Rattunde, R. Moser, C. Manz, K. Köhler, and J. Wagner, “GaSb-based optically pumped semiconductor disk lasers emitting at a wavelength of 2.8 μm”, in Photonics West – LASE 2010, paper 7578–32 (2010).

L. A. Coldren, and S. W. Corzine, Diode Lasers and photonic integrated circuits (John Wiley and sons, Inc, 1995, ISBN 0–471–117875–3), chap. 2.

J. C. Butcher, Numerical methods for ordinary differential equations (John Wiley and sons, Inc, 2003, ISBN 0–471–96758–0), chap. 2.

J. Chilla, “Recent Advances in Optically Pumped Semiconductor Lasers,” in Proc. of the Conference on Photonic Applications Systems Technologies, San Jose, Paper PTuD3 (2008).

J.M. Yarborough, Y.-Y. Lai, Y. Kaneda, J. Hader, J.V. Moloney, T.J. Rotter, G. Balakrishnan, C. Hains, D. Huffaker, S.W. Koch, R. Bedford, “Record pulsed power demonstration of a 2 µm GaSb-based optically pumped semiconductor laser grown lattice-mismatched on an AlAs/GaAs Bragg mirror and substrate”, Applied Physics Letters 95, 081112–081112–3 (2009).

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Figures (7)

Fig. 1
Fig. 1

Schematic of the cavity-dumped SDL.

Fig. 2
Fig. 2

(a) Dependence of the average diffracted single beam output power on incident pump power at a dumping frequency of 600 kHz. Inset: Profile of the diffracted single beam at the incident pump power of 20W. (b) Pulse energy and corresponding peak power of the 24-ns-long pulses extracted from the SDL cavity as a function of the AOM frequency at two different incident pump powers of 20W (triangles) and 11W (circles). Inset: cavity dumped pulse with duration of 24 ns.

Fig. 3
Fig. 3

(a) Dynamics of the SDL intracavity field intensity for cavity dumping frequencies of 200 kHz, RF pulse duration of 60ns (red dashed line) and 1.2 MHz, RF pulse duration of 44ns (blue solid line) respectively. (b) Dynamics of the SDL intracavity field intensity for cavity dumping frequency of 1.2MHz for RF pulse duration of 60ns (black solid line) and 44ns (blue solid line). The corresponding cavity dumped pulse profile is also shown with the dashed lines: black color – for RF pulse duration of 60ns and blue color – 44ns.

Fig. 4
Fig. 4

(a) Wavelength tuning of the SDL using the intracavity BRF: with the cavity dumping (circles) and without it (squares). (b) A typical spectrum of the output pulses.

Fig. 5
Fig. 5

Frequency response (a) (inset – output beam profile) and (b) pulse characteristics of the cavity-dumped SDL with combined output (solid line) and single output (dashed line, for comparison).

Fig. 6
Fig. 6

Typical calculated evolutions of the normalized carrier (Nnorm ), photon (Snorm ) densities and output power (Pnorm ) for an incident pump power of 20W and frequencies f of 600kHz ((a), (c)) and 2MHz ((b), (d)) over (a, b) the full period and (c, d) a 60ns time window. All curves are normalized (Nnorm = (N-Nmin )/(Nmax -Nmin ), Snorm = S/Smax , Pnorm = Pou t/Pout,max , with Nmin = 3.52 × 1018cm−3, Nmax = 1.93 × 1019cm−3, Pout,max = 41W and Smax = 9.14 × 1014 cm−3 for f = 600kHz and Nmin = 1.60 × 1019cm−3, N max = 1.93 × 1019cm−3, Pout,max = 5.8W and Smax = 1.16 × 1014 cm−3 for f = 2MHz).

Fig. 7
Fig. 7

Calculated frequency response of a cavity-dumped SDL for constant 60ns RF pulse duration and a cavity length of Lc = 1.2, 2.4 and 3.6m (Pp = 20W) and monotonically reduced RF pulse duration and cavity length of Lc = 1.2m as used experimentally. Inset: Optical pulse shapes for the above-mentioned three cavity lengths.

Tables (1)

Tables Icon

Table 1 List of parameters used for simulating the characteristics of the cavity-dumped semiconductor disk laser unless otherwise specified

Equations (5)

Equations on this page are rendered with MathJax. Learn more.

d N d t = η e f f , a b s P p h ν p A p L a v g ( N ) S N ( A + B N + C N 2 ) ,
d S d t = Γ v g ( N ) S S τ p h ( t ) + Γ β B N 2 ,
g ( N ) = g 0 ln ( N / N 0 ) 1 + N / N s a t ,
τ p h ( t ) = L c c ln ( R 1 R 2 T c T A O M ( t ) ) ,
P out (t)= T AOM (t) R 1 R 2 h v p A p v g L c ( R 1 R 2 + 1 T AOM (t) )1 R 1 R 2 (1 T AOM ( t ) ) S τ ph (t) .

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