Vertical laser cavity with a non-planar top mirror

Details Vertical laser cavity with a non-planar top mirror Vertical laser cavity with a non-planar top mirror

2005-12-27

2005-12-27

Harvey, Min Sun (Department: 2828)

Coherent light generators

Particular active media

Semiconductor

C372S043010, C372S099000, C372S107000

Reexamination Certificate

active

06980577

ABSTRACT:
A vertical laser cavity includes a non-planar top mirror in order to improve the optical performance of the laser cavity. In one approach, the top mirror is curved to form a plano-concave geometry with the bottom mirror, as opposed to the typical plano—plano geometry. This can reduce diffraction losses and otherwise improve optical performance.

REFERENCES:
patent: 5223723 (1993-06-01), Luryi
patent: 6744805 (2004-06-01), Wang et al.
“GaAs Buried Heterostructure Vertical Cavity Top-Surface Emitting Lasers,” Akira Ibaraki, Kotaro Furusawa, Toru Ishikawa, Kiichi Yodoshi, Takao Yamaguchi, and Tatushiko Niina, IEEE Journal of Quantum Electronics, vol., 27, No. 6, Jun. 1991.
“Low-Threshold Surface-Emitting Laser Diodes With Distributed Bragg Reflectors And Current Blocking Layers,” M. Shimada, T. Asaka, Y. Yamasaki, H. Iwano, M. Ogura, and S. Mukai, American Institute of Physics, Appl. Phys. Letr, 57(13), Sep. 24, 1990.
“C-Band Tunable 6 MW Vertical-Cavity Surface-Emitting Lasers,” D. Vakhshoori, J. H. Zhou, M. Jiang, M Azimi, K. McCallion, C. C. Lu, K.J. Knopp, J. Cai, P.D. Wang, P. Tayebati, H. Zhu, P. Chen, Electronics Letters, May 9, 1996, vol. 32, No. 10.
“Room-Temperature CW 1.5 μm InGaAIAs/Inp Vertical-Cavity Laser With High Efficiency,” M. Ortsiefer, R. Shau, G. Bohm, F. Kohler, M.C. Amann, date unknown.

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