Abstract

Powers in excess of 100 mW have been obtained in a near-diffraction-limited, single-mode laser-diode output by photorefractive two-beam coupling in BaTiO3, using an injection-locked 1-W diode-laser array as the pump source. Signal gains of as much as 8.1 are obtained, corresponding to pump transfer efficiencies of 49%. Calculations suggest that powers as high as 225 mW should be obtainable, given suitably antireflection-coated optics.

© 1990 Optical Society of America

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References

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  1. Y. Fainman, E. Klancnik, S. H. Lee, J. Opt. Soc. Am. A 1, 1229 (1984).
  2. A. E. T. Chiou, P. Yeh, Opt. Lett. 10, 261 (1985).
    [CrossRef]
  3. W. B. Veldkamp, J. R. Leger, J. G. Swanson, Opt. Lett. 11, 303 (1986).
    [CrossRef] [PubMed]
  4. J. M. Verdiell, H. Rajbenbach, J. P. Huignard, in Digest of Meeting on Photorefractive Materials, Effects, and Devices II (Société Française d'Optique, Aussois, France, 1990), p. 381.
  5. W. R. Christian, P. H. Beckwith, I. McMichael, Opt. Lett. 14, 81 (1989).
    [CrossRef] [PubMed]
  6. M. Cronin-Golomb, A. Yariv, I. Ury, Appl. Phys. Lett. 48, 1240 (1986).
    [CrossRef]
  7. P. H. Beckwith, W. R. Christian, Opt. Lett. 14, 642 (1989).
    [CrossRef] [PubMed]
  8. L. Goldberg, H. F. Taylor, J. F. Weller, D. R. Scrifes, Appl. Phys. Lett. 46, 236 (1985).
    [CrossRef]
  9. G. L. Abbas, S. Yang, V. W. S. Chan, J. G. Fujimoto, IEEE J. Quantum Electron. 24, 609 (1988).
    [CrossRef]
  10. M. K. Chun, L. Goldberg, J. F. Weller, Opt. Lett. 14, 272 (1989).
    [CrossRef] [PubMed]
  11. J. M. Verdiell, Laboratoire Central de Recherches, Thomson-CSF, Orsay, France (personal communication).

1989 (3)

1988 (1)

G. L. Abbas, S. Yang, V. W. S. Chan, J. G. Fujimoto, IEEE J. Quantum Electron. 24, 609 (1988).
[CrossRef]

1986 (2)

W. B. Veldkamp, J. R. Leger, J. G. Swanson, Opt. Lett. 11, 303 (1986).
[CrossRef] [PubMed]

M. Cronin-Golomb, A. Yariv, I. Ury, Appl. Phys. Lett. 48, 1240 (1986).
[CrossRef]

1985 (2)

A. E. T. Chiou, P. Yeh, Opt. Lett. 10, 261 (1985).
[CrossRef]

L. Goldberg, H. F. Taylor, J. F. Weller, D. R. Scrifes, Appl. Phys. Lett. 46, 236 (1985).
[CrossRef]

1984 (1)

Y. Fainman, E. Klancnik, S. H. Lee, J. Opt. Soc. Am. A 1, 1229 (1984).

Abbas, G. L.

G. L. Abbas, S. Yang, V. W. S. Chan, J. G. Fujimoto, IEEE J. Quantum Electron. 24, 609 (1988).
[CrossRef]

Beckwith, P. H.

Chan, V. W. S.

G. L. Abbas, S. Yang, V. W. S. Chan, J. G. Fujimoto, IEEE J. Quantum Electron. 24, 609 (1988).
[CrossRef]

Chiou, A. E. T.

Christian, W. R.

Chun, M. K.

Cronin-Golomb, M.

M. Cronin-Golomb, A. Yariv, I. Ury, Appl. Phys. Lett. 48, 1240 (1986).
[CrossRef]

Fainman, Y.

Y. Fainman, E. Klancnik, S. H. Lee, J. Opt. Soc. Am. A 1, 1229 (1984).

Fujimoto, J. G.

G. L. Abbas, S. Yang, V. W. S. Chan, J. G. Fujimoto, IEEE J. Quantum Electron. 24, 609 (1988).
[CrossRef]

Goldberg, L.

M. K. Chun, L. Goldberg, J. F. Weller, Opt. Lett. 14, 272 (1989).
[CrossRef] [PubMed]

L. Goldberg, H. F. Taylor, J. F. Weller, D. R. Scrifes, Appl. Phys. Lett. 46, 236 (1985).
[CrossRef]

Huignard, J. P.

J. M. Verdiell, H. Rajbenbach, J. P. Huignard, in Digest of Meeting on Photorefractive Materials, Effects, and Devices II (Société Française d'Optique, Aussois, France, 1990), p. 381.

Klancnik, E.

Y. Fainman, E. Klancnik, S. H. Lee, J. Opt. Soc. Am. A 1, 1229 (1984).

Lee, S. H.

Y. Fainman, E. Klancnik, S. H. Lee, J. Opt. Soc. Am. A 1, 1229 (1984).

Leger, J. R.

McMichael, I.

Rajbenbach, H.

J. M. Verdiell, H. Rajbenbach, J. P. Huignard, in Digest of Meeting on Photorefractive Materials, Effects, and Devices II (Société Française d'Optique, Aussois, France, 1990), p. 381.

Scrifes, D. R.

L. Goldberg, H. F. Taylor, J. F. Weller, D. R. Scrifes, Appl. Phys. Lett. 46, 236 (1985).
[CrossRef]

Swanson, J. G.

Taylor, H. F.

L. Goldberg, H. F. Taylor, J. F. Weller, D. R. Scrifes, Appl. Phys. Lett. 46, 236 (1985).
[CrossRef]

Ury, I.

M. Cronin-Golomb, A. Yariv, I. Ury, Appl. Phys. Lett. 48, 1240 (1986).
[CrossRef]

Veldkamp, W. B.

Verdiell, J. M.

J. M. Verdiell, Laboratoire Central de Recherches, Thomson-CSF, Orsay, France (personal communication).

J. M. Verdiell, H. Rajbenbach, J. P. Huignard, in Digest of Meeting on Photorefractive Materials, Effects, and Devices II (Société Française d'Optique, Aussois, France, 1990), p. 381.

Weller, J. F.

M. K. Chun, L. Goldberg, J. F. Weller, Opt. Lett. 14, 272 (1989).
[CrossRef] [PubMed]

L. Goldberg, H. F. Taylor, J. F. Weller, D. R. Scrifes, Appl. Phys. Lett. 46, 236 (1985).
[CrossRef]

Yang, S.

G. L. Abbas, S. Yang, V. W. S. Chan, J. G. Fujimoto, IEEE J. Quantum Electron. 24, 609 (1988).
[CrossRef]

Yariv, A.

M. Cronin-Golomb, A. Yariv, I. Ury, Appl. Phys. Lett. 48, 1240 (1986).
[CrossRef]

Yeh, P.

Appl. Phys. Lett. (2)

L. Goldberg, H. F. Taylor, J. F. Weller, D. R. Scrifes, Appl. Phys. Lett. 46, 236 (1985).
[CrossRef]

M. Cronin-Golomb, A. Yariv, I. Ury, Appl. Phys. Lett. 48, 1240 (1986).
[CrossRef]

IEEE J. Quantum Electron. (1)

G. L. Abbas, S. Yang, V. W. S. Chan, J. G. Fujimoto, IEEE J. Quantum Electron. 24, 609 (1988).
[CrossRef]

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

Y. Fainman, E. Klancnik, S. H. Lee, J. Opt. Soc. Am. A 1, 1229 (1984).

Opt. Lett. (5)

Other (2)

J. M. Verdiell, Laboratoire Central de Recherches, Thomson-CSF, Orsay, France (personal communication).

J. M. Verdiell, H. Rajbenbach, J. P. Huignard, in Digest of Meeting on Photorefractive Materials, Effects, and Devices II (Société Française d'Optique, Aussois, France, 1990), p. 381.

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Figures (3)

Fig. 1
Fig. 1

Experimental setup for injection locking and beam combination. The single-mode master-laser output is split at a polarizing beam splitter (P.B.S), one fraction being injected into a slave-laser array and the other acting as the signal beam. The array far-field pattern is monitored by reflection from an optical flat (F), using a charge-coupled device camera (CCD). Pump and signal beam angles at the crystal are θ1 = 68° (Brewster's angle) and θ2 = 48°, respectively.

Fig. 2
Fig. 2

Far-field patterns of the free-running and injection-locked array output. The injection-locked spike contains approximately 190 mW of power.

Fig. 3
Fig. 3

Measurement of the power in the signal beam as a function of time. The signal beam is switched on at t = 0.

Equations (2)

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P lock = 10.4 P inj + 20.
P A = P I ( 1 + r ) exp ( Γ l ) 1 + r exp ( Γ l ) ,

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