Abstract

Recent development of megawatt peak power, giant pulse microchip lasers has opened new opportunities for efficient wavelength conversion, provided the output of the microchip laser is linearly polarized. We obtain > 2 MW peak power, 260 ps, 100 Hz pulses at 266 nm by fourth harmonic conversion of a linearly polarized Nd:YAG microchip laser that is passively Q-switched with [110] cut Cr4+:YAG. The SHG and FHG conversion efficiencies are 85% and 51%, respectively.

© 2011 OSA

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  1. J. J. Zayhowski, “Microchip lasers,” Opt. Mater. 11(2-3), 255–267 (1999).
    [CrossRef]
  2. N. Pavel, J. Saikawa, S. Kurimura, and T. Taira, “High average power diode end-pumped composite Nd:YAG laser passively Q-switched by Cr4+:YAG saturable absorber,” Jpn. J. Appl. Phys. 40(Part 1, No. 3A), 1253–1259 (2001).
    [CrossRef]
  3. H. Sakai, H. Kan, and T. Taira, “>1 MW peak power single-mode high-brightness passively Q-switched Nd 3+:YAG microchip laser,” Opt. Express 16(24), 19891–19899 (2008).
    [CrossRef] [PubMed]
  4. S. Hayashi, T. Shibuya, H. Sakai, T. Taira, C. Otani, Y. Ogawa, and K. Kawase, “Tunability enhancement of a terahertz-wave parametric generator pumped by a microchip Nd:YAG laser,” Appl. Opt. 48(15), 2899–2902 (2009).
    [CrossRef] [PubMed]
  5. T. Taira and T. Kobayashi, “Q-switching and frequency doubling of solid-state lasers by a single intracavity KTP crystal,” IEEE J. Quantum Electron. 30(3), 800–804 (1994).
    [CrossRef]
  6. T. Taira and T. Kobayashi, “Intracavity frequency doubling and Q switching in diode-laser-pumped Nd:YVO4 lasers,” Appl. Opt. 34(21), 4298–4301 (1995).
    [CrossRef] [PubMed]
  7. J. J. Zayhowski, C. Dill III, C. Cook, and J. L. Daneu, “Mid-and high-power passively Q-switched microchip lasers,” in Proceeding of Advanced Solid-State Lasers, M. M. Fejer, H. Injeyan, and U. Keller, eds., Vol. 26 of OSA Trends in Optics and Photonic Series (Optical Society of America, Washington, D.C., 1999), pp. 178–186.
  8. M. Tsunekane, T. Inohara, A. Ando, N. Kido, K. Kanehara, and T. Taira, “High peak power, passively Q-switched microlaser for ignition of engines,” IEEE J. Quantum Electron. 46(2), 277–284 (2010).
    [CrossRef]
  9. N. Pavel, M. Tsunekane, and T. Taira, “Composite, all-ceramics, high-peak power Nd:YAG/Cr4+:YAG monolithic micro-laser with multiple-beam output for engine ignition,” Opt. Express 19(10), 9378–9384 (2011).
    [CrossRef] [PubMed]
  10. OSA News Release, http://www.osa.org/about_osa/newsroom/news_releases/releases/04.2011/lasersparksrevolution.aspx .
  11. H. Sakai, A. Sone, H. Kan, and T. Taira, “Polarization stabilizing for diode-pumped passively Q-switched Nd:YAG microchip lasers,” in Advanced Solid-State Photonics, Technical Digest (Optical Society of America, 2006), paper MD2.
  12. R. Bhandari and T. Taira, “> 6 MW output power at 532 nm from passively Q-switched Nd:YAG/ Cr4+:YAG microchip laser,” Opt. Express 19(20), 19135–19141 (2011).
    [CrossRef]
  13. S.-C. Sheng and A. E. Siegman, “Nonlinear-optical calculations using fast-transform methods: Second-harmonic generation with depletion and diffraction,” Phys. Rev. A 21(2), 599–606 (1980).
    [CrossRef]
  14. M. Takahashi, A. Osada, A. Dergachev, P. F. Moulton, M. Cadatal-Raduban, T. Shimizu, and N. Sarukura, “Effects of pulse rate and temperature on nonlinear absorption of pulsed 262-nm laser light in β-BaB2O4,” Jpn. J. Appl. Phys. 49(8), 080211 (2010).
    [CrossRef]
  15. R. DeSalvo, A. A. Said, D. J. Hagan, E. W. Van Stryland, and M. Sheik-Bahae, “Infrared to ultraviolet measurements of two-photon absorption and n2 in wide bandgap solids,” IEEE J. Quantum Electron. 32(8), 1324–1333 (1996).
    [CrossRef]
  16. A. Dubietis, G. Tamošauskas, A. Varanavičius, and G. Valiulis, “Two-photon absorbing properties of ultraviolet phase-matchable crystals at 264 and 211 nm,” Appl. Opt. 39(15), 2437–2440 (2000).
    [CrossRef] [PubMed]
  17. T. Taira, “Domain-controlled laser ceramics toward giant micro-photonics [invited],” Opt. Mater. Express 1(5), 1040–1050 (2011).
    [CrossRef]

2011 (3)

2010 (2)

M. Takahashi, A. Osada, A. Dergachev, P. F. Moulton, M. Cadatal-Raduban, T. Shimizu, and N. Sarukura, “Effects of pulse rate and temperature on nonlinear absorption of pulsed 262-nm laser light in β-BaB2O4,” Jpn. J. Appl. Phys. 49(8), 080211 (2010).
[CrossRef]

M. Tsunekane, T. Inohara, A. Ando, N. Kido, K. Kanehara, and T. Taira, “High peak power, passively Q-switched microlaser for ignition of engines,” IEEE J. Quantum Electron. 46(2), 277–284 (2010).
[CrossRef]

2009 (1)

2008 (1)

2001 (1)

N. Pavel, J. Saikawa, S. Kurimura, and T. Taira, “High average power diode end-pumped composite Nd:YAG laser passively Q-switched by Cr4+:YAG saturable absorber,” Jpn. J. Appl. Phys. 40(Part 1, No. 3A), 1253–1259 (2001).
[CrossRef]

2000 (1)

1999 (1)

J. J. Zayhowski, “Microchip lasers,” Opt. Mater. 11(2-3), 255–267 (1999).
[CrossRef]

1996 (1)

R. DeSalvo, A. A. Said, D. J. Hagan, E. W. Van Stryland, and M. Sheik-Bahae, “Infrared to ultraviolet measurements of two-photon absorption and n2 in wide bandgap solids,” IEEE J. Quantum Electron. 32(8), 1324–1333 (1996).
[CrossRef]

1995 (1)

1994 (1)

T. Taira and T. Kobayashi, “Q-switching and frequency doubling of solid-state lasers by a single intracavity KTP crystal,” IEEE J. Quantum Electron. 30(3), 800–804 (1994).
[CrossRef]

1980 (1)

S.-C. Sheng and A. E. Siegman, “Nonlinear-optical calculations using fast-transform methods: Second-harmonic generation with depletion and diffraction,” Phys. Rev. A 21(2), 599–606 (1980).
[CrossRef]

Ando, A.

M. Tsunekane, T. Inohara, A. Ando, N. Kido, K. Kanehara, and T. Taira, “High peak power, passively Q-switched microlaser for ignition of engines,” IEEE J. Quantum Electron. 46(2), 277–284 (2010).
[CrossRef]

Bhandari, R.

Cadatal-Raduban, M.

M. Takahashi, A. Osada, A. Dergachev, P. F. Moulton, M. Cadatal-Raduban, T. Shimizu, and N. Sarukura, “Effects of pulse rate and temperature on nonlinear absorption of pulsed 262-nm laser light in β-BaB2O4,” Jpn. J. Appl. Phys. 49(8), 080211 (2010).
[CrossRef]

Dergachev, A.

M. Takahashi, A. Osada, A. Dergachev, P. F. Moulton, M. Cadatal-Raduban, T. Shimizu, and N. Sarukura, “Effects of pulse rate and temperature on nonlinear absorption of pulsed 262-nm laser light in β-BaB2O4,” Jpn. J. Appl. Phys. 49(8), 080211 (2010).
[CrossRef]

DeSalvo, R.

R. DeSalvo, A. A. Said, D. J. Hagan, E. W. Van Stryland, and M. Sheik-Bahae, “Infrared to ultraviolet measurements of two-photon absorption and n2 in wide bandgap solids,” IEEE J. Quantum Electron. 32(8), 1324–1333 (1996).
[CrossRef]

Dubietis, A.

Hagan, D. J.

R. DeSalvo, A. A. Said, D. J. Hagan, E. W. Van Stryland, and M. Sheik-Bahae, “Infrared to ultraviolet measurements of two-photon absorption and n2 in wide bandgap solids,” IEEE J. Quantum Electron. 32(8), 1324–1333 (1996).
[CrossRef]

Hayashi, S.

Inohara, T.

M. Tsunekane, T. Inohara, A. Ando, N. Kido, K. Kanehara, and T. Taira, “High peak power, passively Q-switched microlaser for ignition of engines,” IEEE J. Quantum Electron. 46(2), 277–284 (2010).
[CrossRef]

Kan, H.

Kanehara, K.

M. Tsunekane, T. Inohara, A. Ando, N. Kido, K. Kanehara, and T. Taira, “High peak power, passively Q-switched microlaser for ignition of engines,” IEEE J. Quantum Electron. 46(2), 277–284 (2010).
[CrossRef]

Kawase, K.

Kido, N.

M. Tsunekane, T. Inohara, A. Ando, N. Kido, K. Kanehara, and T. Taira, “High peak power, passively Q-switched microlaser for ignition of engines,” IEEE J. Quantum Electron. 46(2), 277–284 (2010).
[CrossRef]

Kobayashi, T.

T. Taira and T. Kobayashi, “Intracavity frequency doubling and Q switching in diode-laser-pumped Nd:YVO4 lasers,” Appl. Opt. 34(21), 4298–4301 (1995).
[CrossRef] [PubMed]

T. Taira and T. Kobayashi, “Q-switching and frequency doubling of solid-state lasers by a single intracavity KTP crystal,” IEEE J. Quantum Electron. 30(3), 800–804 (1994).
[CrossRef]

Kurimura, S.

N. Pavel, J. Saikawa, S. Kurimura, and T. Taira, “High average power diode end-pumped composite Nd:YAG laser passively Q-switched by Cr4+:YAG saturable absorber,” Jpn. J. Appl. Phys. 40(Part 1, No. 3A), 1253–1259 (2001).
[CrossRef]

Moulton, P. F.

M. Takahashi, A. Osada, A. Dergachev, P. F. Moulton, M. Cadatal-Raduban, T. Shimizu, and N. Sarukura, “Effects of pulse rate and temperature on nonlinear absorption of pulsed 262-nm laser light in β-BaB2O4,” Jpn. J. Appl. Phys. 49(8), 080211 (2010).
[CrossRef]

Ogawa, Y.

Osada, A.

M. Takahashi, A. Osada, A. Dergachev, P. F. Moulton, M. Cadatal-Raduban, T. Shimizu, and N. Sarukura, “Effects of pulse rate and temperature on nonlinear absorption of pulsed 262-nm laser light in β-BaB2O4,” Jpn. J. Appl. Phys. 49(8), 080211 (2010).
[CrossRef]

Otani, C.

Pavel, N.

N. Pavel, M. Tsunekane, and T. Taira, “Composite, all-ceramics, high-peak power Nd:YAG/Cr4+:YAG monolithic micro-laser with multiple-beam output for engine ignition,” Opt. Express 19(10), 9378–9384 (2011).
[CrossRef] [PubMed]

N. Pavel, J. Saikawa, S. Kurimura, and T. Taira, “High average power diode end-pumped composite Nd:YAG laser passively Q-switched by Cr4+:YAG saturable absorber,” Jpn. J. Appl. Phys. 40(Part 1, No. 3A), 1253–1259 (2001).
[CrossRef]

Said, A. A.

R. DeSalvo, A. A. Said, D. J. Hagan, E. W. Van Stryland, and M. Sheik-Bahae, “Infrared to ultraviolet measurements of two-photon absorption and n2 in wide bandgap solids,” IEEE J. Quantum Electron. 32(8), 1324–1333 (1996).
[CrossRef]

Saikawa, J.

N. Pavel, J. Saikawa, S. Kurimura, and T. Taira, “High average power diode end-pumped composite Nd:YAG laser passively Q-switched by Cr4+:YAG saturable absorber,” Jpn. J. Appl. Phys. 40(Part 1, No. 3A), 1253–1259 (2001).
[CrossRef]

Sakai, H.

Sarukura, N.

M. Takahashi, A. Osada, A. Dergachev, P. F. Moulton, M. Cadatal-Raduban, T. Shimizu, and N. Sarukura, “Effects of pulse rate and temperature on nonlinear absorption of pulsed 262-nm laser light in β-BaB2O4,” Jpn. J. Appl. Phys. 49(8), 080211 (2010).
[CrossRef]

Sheik-Bahae, M.

R. DeSalvo, A. A. Said, D. J. Hagan, E. W. Van Stryland, and M. Sheik-Bahae, “Infrared to ultraviolet measurements of two-photon absorption and n2 in wide bandgap solids,” IEEE J. Quantum Electron. 32(8), 1324–1333 (1996).
[CrossRef]

Sheng, S.-C.

S.-C. Sheng and A. E. Siegman, “Nonlinear-optical calculations using fast-transform methods: Second-harmonic generation with depletion and diffraction,” Phys. Rev. A 21(2), 599–606 (1980).
[CrossRef]

Shibuya, T.

Shimizu, T.

M. Takahashi, A. Osada, A. Dergachev, P. F. Moulton, M. Cadatal-Raduban, T. Shimizu, and N. Sarukura, “Effects of pulse rate and temperature on nonlinear absorption of pulsed 262-nm laser light in β-BaB2O4,” Jpn. J. Appl. Phys. 49(8), 080211 (2010).
[CrossRef]

Siegman, A. E.

S.-C. Sheng and A. E. Siegman, “Nonlinear-optical calculations using fast-transform methods: Second-harmonic generation with depletion and diffraction,” Phys. Rev. A 21(2), 599–606 (1980).
[CrossRef]

Taira, T.

R. Bhandari and T. Taira, “> 6 MW output power at 532 nm from passively Q-switched Nd:YAG/ Cr4+:YAG microchip laser,” Opt. Express 19(20), 19135–19141 (2011).
[CrossRef]

N. Pavel, M. Tsunekane, and T. Taira, “Composite, all-ceramics, high-peak power Nd:YAG/Cr4+:YAG monolithic micro-laser with multiple-beam output for engine ignition,” Opt. Express 19(10), 9378–9384 (2011).
[CrossRef] [PubMed]

T. Taira, “Domain-controlled laser ceramics toward giant micro-photonics [invited],” Opt. Mater. Express 1(5), 1040–1050 (2011).
[CrossRef]

M. Tsunekane, T. Inohara, A. Ando, N. Kido, K. Kanehara, and T. Taira, “High peak power, passively Q-switched microlaser for ignition of engines,” IEEE J. Quantum Electron. 46(2), 277–284 (2010).
[CrossRef]

S. Hayashi, T. Shibuya, H. Sakai, T. Taira, C. Otani, Y. Ogawa, and K. Kawase, “Tunability enhancement of a terahertz-wave parametric generator pumped by a microchip Nd:YAG laser,” Appl. Opt. 48(15), 2899–2902 (2009).
[CrossRef] [PubMed]

H. Sakai, H. Kan, and T. Taira, “>1 MW peak power single-mode high-brightness passively Q-switched Nd 3+:YAG microchip laser,” Opt. Express 16(24), 19891–19899 (2008).
[CrossRef] [PubMed]

N. Pavel, J. Saikawa, S. Kurimura, and T. Taira, “High average power diode end-pumped composite Nd:YAG laser passively Q-switched by Cr4+:YAG saturable absorber,” Jpn. J. Appl. Phys. 40(Part 1, No. 3A), 1253–1259 (2001).
[CrossRef]

T. Taira and T. Kobayashi, “Intracavity frequency doubling and Q switching in diode-laser-pumped Nd:YVO4 lasers,” Appl. Opt. 34(21), 4298–4301 (1995).
[CrossRef] [PubMed]

T. Taira and T. Kobayashi, “Q-switching and frequency doubling of solid-state lasers by a single intracavity KTP crystal,” IEEE J. Quantum Electron. 30(3), 800–804 (1994).
[CrossRef]

Takahashi, M.

M. Takahashi, A. Osada, A. Dergachev, P. F. Moulton, M. Cadatal-Raduban, T. Shimizu, and N. Sarukura, “Effects of pulse rate and temperature on nonlinear absorption of pulsed 262-nm laser light in β-BaB2O4,” Jpn. J. Appl. Phys. 49(8), 080211 (2010).
[CrossRef]

Tamošauskas, G.

Tsunekane, M.

N. Pavel, M. Tsunekane, and T. Taira, “Composite, all-ceramics, high-peak power Nd:YAG/Cr4+:YAG monolithic micro-laser with multiple-beam output for engine ignition,” Opt. Express 19(10), 9378–9384 (2011).
[CrossRef] [PubMed]

M. Tsunekane, T. Inohara, A. Ando, N. Kido, K. Kanehara, and T. Taira, “High peak power, passively Q-switched microlaser for ignition of engines,” IEEE J. Quantum Electron. 46(2), 277–284 (2010).
[CrossRef]

Valiulis, G.

Van Stryland, E. W.

R. DeSalvo, A. A. Said, D. J. Hagan, E. W. Van Stryland, and M. Sheik-Bahae, “Infrared to ultraviolet measurements of two-photon absorption and n2 in wide bandgap solids,” IEEE J. Quantum Electron. 32(8), 1324–1333 (1996).
[CrossRef]

Varanavicius, A.

Zayhowski, J. J.

J. J. Zayhowski, “Microchip lasers,” Opt. Mater. 11(2-3), 255–267 (1999).
[CrossRef]

Appl. Opt. (3)

IEEE J. Quantum Electron. (3)

T. Taira and T. Kobayashi, “Q-switching and frequency doubling of solid-state lasers by a single intracavity KTP crystal,” IEEE J. Quantum Electron. 30(3), 800–804 (1994).
[CrossRef]

M. Tsunekane, T. Inohara, A. Ando, N. Kido, K. Kanehara, and T. Taira, “High peak power, passively Q-switched microlaser for ignition of engines,” IEEE J. Quantum Electron. 46(2), 277–284 (2010).
[CrossRef]

R. DeSalvo, A. A. Said, D. J. Hagan, E. W. Van Stryland, and M. Sheik-Bahae, “Infrared to ultraviolet measurements of two-photon absorption and n2 in wide bandgap solids,” IEEE J. Quantum Electron. 32(8), 1324–1333 (1996).
[CrossRef]

Jpn. J. Appl. Phys. (2)

N. Pavel, J. Saikawa, S. Kurimura, and T. Taira, “High average power diode end-pumped composite Nd:YAG laser passively Q-switched by Cr4+:YAG saturable absorber,” Jpn. J. Appl. Phys. 40(Part 1, No. 3A), 1253–1259 (2001).
[CrossRef]

M. Takahashi, A. Osada, A. Dergachev, P. F. Moulton, M. Cadatal-Raduban, T. Shimizu, and N. Sarukura, “Effects of pulse rate and temperature on nonlinear absorption of pulsed 262-nm laser light in β-BaB2O4,” Jpn. J. Appl. Phys. 49(8), 080211 (2010).
[CrossRef]

Opt. Express (3)

Opt. Mater. (1)

J. J. Zayhowski, “Microchip lasers,” Opt. Mater. 11(2-3), 255–267 (1999).
[CrossRef]

Opt. Mater. Express (1)

Phys. Rev. A (1)

S.-C. Sheng and A. E. Siegman, “Nonlinear-optical calculations using fast-transform methods: Second-harmonic generation with depletion and diffraction,” Phys. Rev. A 21(2), 599–606 (1980).
[CrossRef]

Other (3)

J. J. Zayhowski, C. Dill III, C. Cook, and J. L. Daneu, “Mid-and high-power passively Q-switched microchip lasers,” in Proceeding of Advanced Solid-State Lasers, M. M. Fejer, H. Injeyan, and U. Keller, eds., Vol. 26 of OSA Trends in Optics and Photonic Series (Optical Society of America, Washington, D.C., 1999), pp. 178–186.

OSA News Release, http://www.osa.org/about_osa/newsroom/news_releases/releases/04.2011/lasersparksrevolution.aspx .

H. Sakai, A. Sone, H. Kan, and T. Taira, “Polarization stabilizing for diode-pumped passively Q-switched Nd:YAG microchip lasers,” in Advanced Solid-State Photonics, Technical Digest (Optical Society of America, 2006), paper MD2.

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Figures (4)

Fig. 1
Fig. 1

Laser structure. The output is linearly polarized along the <001> crystallographic axis of Cr4+:YAG.

Fig. 2
Fig. 2

Schematic of FHG experiment.

Fig. 3
Fig. 3

Fourth harmonic conversion efficiency as a function of the input peak power at 532 nm.

Fig. 4
Fig. 4

Fourth harmonic output characteristics under optimum focus conditions.

Tables (1)

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Table 1 Spot-Diameter and Confocal Length for Focusing Lenses Used in Experiment

Equations (1)

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dI dz =αI β TPA I 2

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