Lateral-mode discrimination in surface-emitting DBR lasers with cylindrical symmetry

Xue-Mei Gong; Andrew K. Chan; Henry F. Taylor

doi:10.1117/12.43828

1 July 1991 Lateral-mode discrimination in surface-emitting DBR lasers with cylindrical symmetry

Xue-Mei Gong, Andrew K. Chan, Henry F. Taylor

Proceedings Volume 1418, Laser Diode Technology and Applications III; (1991) https://doi.org/10.1117/12.43828
Event: Optics, Electro-Optics, and Laser Applications in Science and Engineering, 1991, Los Angeles, CA, United States

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.

Citation Download Citation

Xue-Mei Gong, Andrew K. Chan, and Henry F. Taylor "Lateral-mode discrimination in surface-emitting DBR lasers with cylindrical symmetry", Proc. SPIE 1418, Laser Diode Technology and Applications III, (1 July 1991); https://doi.org/10.1117/12.43828

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