Abstract

We demonstrate a novel method for improvement of spatial beam quality by use of the angular selectivity of a thick phase grating inserted into various laser cavities. Preliminary experiments with an intentionally degraded beam from a Nd:YVO4 laser have enhanced beam propagation factor M2 by a factor of 4.5. Operation with a broad-area laser diode in an external cavity with a thick grating was achieved. We obtained 100 mW of cw power in a beam with an M2 of 1.3. Moreover, a reduction of the output spectrum by as much as a factor of 3.8 was obtained.

© 2003 Optical Society of America

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2002

2000

1998

1996

R. Pillai and E. Garmire, IEEE J. Quantum Electron. 32, 996 (1996).
[CrossRef]

1993

1992

A. Barthelemy, F. Louradour, and V. Couderc, Electron. Lett. 28, 2038 (1992).
[CrossRef]

1991

D. Mehuys, D. F. Welch, R. Parke, R. G. Waarts, A. Hardy, and D. Scifres, Electron. Lett. 27, 492 (1991).
[CrossRef]

1988

L. Goldberg and M. K. Chun, Appl. Phys. Lett. 53, 1900 (1988).
[CrossRef]

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

1987

C. J. Chang-Hasnain, J. Berger, D. R. Scifres, W. Streifer, J. R. Whinnery, and A. Dienes, Appl. Phys. Lett. 50, 1465 (1987).
[CrossRef]

Abbas, G. L.

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

Barthelemy, A.

A. Barthelemy, F. Louradour, and V. Couderc, Electron. Lett. 28, 2038 (1992).
[CrossRef]

Berger, J.

C. J. Chang-Hasnain, J. Berger, D. R. Scifres, W. Streifer, J. R. Whinnery, and A. Dienes, Appl. Phys. Lett. 50, 1465 (1987).
[CrossRef]

Chan, V. W. S.

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

Chang-Hasnain, C. J.

C. J. Chang-Hasnain, J. Berger, D. R. Scifres, W. Streifer, J. R. Whinnery, and A. Dienes, Appl. Phys. Lett. 50, 1465 (1987).
[CrossRef]

Chen, W.

Chun, M. K.

L. Goldberg and M. K. Chun, Appl. Phys. Lett. 53, 1900 (1988).
[CrossRef]

Couderc, V.

A. Barthelemy, F. Louradour, and V. Couderc, Electron. Lett. 28, 2038 (1992).
[CrossRef]

DeMars, S. D.

S. D. DeMars, K. M. Dzurko, R. J. Lang, D. F. Welch, D. R. Scifres, and A. Hardy, in Conference on Lasers and Electro-Optics, Vol. 9 of 1996 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1996), p. 77.

Dienes, A.

C. J. Chang-Hasnain, J. Berger, D. R. Scifres, W. Streifer, J. R. Whinnery, and A. Dienes, Appl. Phys. Lett. 50, 1465 (1987).
[CrossRef]

Dzurko, K. M.

S. D. DeMars, K. M. Dzurko, R. J. Lang, D. F. Welch, D. R. Scifres, and A. Hardy, in Conference on Lasers and Electro-Optics, Vol. 9 of 1996 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1996), p. 77.

Feinberg, J.

Fujimoto, J. G.

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

Garmire, E.

R. Pillai and E. Garmire, IEEE J. Quantum Electron. 32, 996 (1996).
[CrossRef]

Goldberg, L.

L. Goldberg and M. K. Chun, Appl. Phys. Lett. 53, 1900 (1988).
[CrossRef]

Hardy, A.

D. Mehuys, D. F. Welch, R. Parke, R. G. Waarts, A. Hardy, and D. Scifres, Electron. Lett. 27, 492 (1991).
[CrossRef]

S. D. DeMars, K. M. Dzurko, R. J. Lang, D. F. Welch, D. R. Scifres, and A. Hardy, in Conference on Lasers and Electro-Optics, Vol. 9 of 1996 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1996), p. 77.

Hsu, K. Y.

Johansen, P.

Lang, R. J.

S. D. DeMars, K. M. Dzurko, R. J. Lang, D. F. Welch, D. R. Scifres, and A. Hardy, in Conference on Lasers and Electro-Optics, Vol. 9 of 1996 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1996), p. 77.

Lin, S. H.

Lobel, M.

Louradour, F.

A. Barthelemy, F. Louradour, and V. Couderc, Electron. Lett. 28, 2038 (1992).
[CrossRef]

MacCormack, S.

Mehuys, D.

D. Mehuys, D. F. Welch, R. Parke, R. G. Waarts, A. Hardy, and D. Scifres, Electron. Lett. 27, 492 (1991).
[CrossRef]

Menzel, R.

Parke, R.

D. Mehuys, D. F. Welch, R. Parke, R. G. Waarts, A. Hardy, and D. Scifres, Electron. Lett. 27, 492 (1991).
[CrossRef]

Petersen, P.

Pillai, R.

R. Pillai and E. Garmire, IEEE J. Quantum Electron. 32, 996 (1996).
[CrossRef]

Psaltis, D.

Raab, V.

Scifres, D.

D. Mehuys, D. F. Welch, R. Parke, R. G. Waarts, A. Hardy, and D. Scifres, Electron. Lett. 27, 492 (1991).
[CrossRef]

Scifres, D. R.

C. J. Chang-Hasnain, J. Berger, D. R. Scifres, W. Streifer, J. R. Whinnery, and A. Dienes, Appl. Phys. Lett. 50, 1465 (1987).
[CrossRef]

S. D. DeMars, K. M. Dzurko, R. J. Lang, D. F. Welch, D. R. Scifres, and A. Hardy, in Conference on Lasers and Electro-Optics, Vol. 9 of 1996 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1996), p. 77.

Solomatine, I.

Steckman, G. J.

Streifer, W.

C. J. Chang-Hasnain, J. Berger, D. R. Scifres, W. Streifer, J. R. Whinnery, and A. Dienes, Appl. Phys. Lett. 50, 1465 (1987).
[CrossRef]

Waarts, R. G.

D. Mehuys, D. F. Welch, R. Parke, R. G. Waarts, A. Hardy, and D. Scifres, Electron. Lett. 27, 492 (1991).
[CrossRef]

Welch, D. F.

D. Mehuys, D. F. Welch, R. Parke, R. G. Waarts, A. Hardy, and D. Scifres, Electron. Lett. 27, 492 (1991).
[CrossRef]

S. D. DeMars, K. M. Dzurko, R. J. Lang, D. F. Welch, D. R. Scifres, and A. Hardy, in Conference on Lasers and Electro-Optics, Vol. 9 of 1996 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1996), p. 77.

Whang, W. T.

Whinnery, J. R.

C. J. Chang-Hasnain, J. Berger, D. R. Scifres, W. Streifer, J. R. Whinnery, and A. Dienes, Appl. Phys. Lett. 50, 1465 (1987).
[CrossRef]

Yang, S.

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

Zhou, G.

Appl. Phys. Lett.

L. Goldberg and M. K. Chun, Appl. Phys. Lett. 53, 1900 (1988).
[CrossRef]

C. J. Chang-Hasnain, J. Berger, D. R. Scifres, W. Streifer, J. R. Whinnery, and A. Dienes, Appl. Phys. Lett. 50, 1465 (1987).
[CrossRef]

Electron. Lett.

D. Mehuys, D. F. Welch, R. Parke, R. G. Waarts, A. Hardy, and D. Scifres, Electron. Lett. 27, 492 (1991).
[CrossRef]

A. Barthelemy, F. Louradour, and V. Couderc, Electron. Lett. 28, 2038 (1992).
[CrossRef]

IEEE J. Quantum Electron.

R. Pillai and E. Garmire, IEEE J. Quantum Electron. 32, 996 (1996).
[CrossRef]

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

J. Opt. Soc. Am. B

Opt. Lett.

Other

S. D. DeMars, K. M. Dzurko, R. J. Lang, D. F. Welch, D. R. Scifres, and A. Hardy, in Conference on Lasers and Electro-Optics, Vol. 9 of 1996 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1996), p. 77.

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Figures (5)

Fig. 1
Fig. 1

(a) Laser cavity providing a degraded beam in the lateral direction (without Bragg grating). (b) Laser cavity operating with grating feedback. (c) Far-field patterns produced by the two cavities. Distances are in millimeters.

Fig. 2
Fig. 2

Experimental setup of the semiconductor laser in an external cavity.

Fig. 3
Fig. 3

Far-field patterns of the AR-coated diode with (solid curve) and without (dotted curve) grating feedback at 840 mA.

Fig. 4
Fig. 4

Output power versus driving current of the AR-coated laser diode with and without grating feedback.

Fig. 5
Fig. 5

Output spectrum of the standard diode with (solid curve) and without (dotted curve) grating feedback.

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