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Proceedings Paper

Lateral-mode discrimination in surface-emitting DBR lasers with cylindrical symmetry
Author(s): Xue-Mei Gong; Andrew K. Chan; Henry F. Taylor
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Paper Abstract

A surface emitting DBR laser with cylindrical symmetry operating in a single lateral mode is investigated. The effective reflectivity resulting from the grating and the threshold gain of the different lateral modes are analyzed using the coupled-mode theory. The authors' results indicate that when a cavity is designed for operation in the odd lateral modes, all the even modes are effectively eliminated. A small perturbation is introduced into the complex dielectric constant of the active region to further suppress the unwanted lateral modes and produce single mode operation.

Paper Details

Date Published: 1 July 1991
PDF: 12 pages
Proc. SPIE 1418, Laser Diode Technology and Applications III, (1 July 1991); doi: 10.1117/12.43828
Show Author Affiliations
Xue-Mei Gong, Texas A&M Univ. (United States)
Andrew K. Chan, Texas A&M Univ. (United States)
Henry F. Taylor, Texas A&M Univ. (United States)

Published in SPIE Proceedings Vol. 1418:
Laser Diode Technology and Applications III
Daniel S. Renner, Editor(s)

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