Effects of optical feedback on the filamentation and mode control of broad-area semiconductor lasers

Wei Xu; Xudong Wang; Robert B. Gwynn; John M. Worlock; R. Jennifer Hwu

doi:10.1117/12.368196

5 October 1999 Effects of optical feedback on the filamentation and mode control of broad-area semiconductor lasers

Wei Xu, Xudong Wang, Robert B. Gwynn, John M. Worlock, R. Jennifer Hwu

Proceedings Volume 3779, Current Developments in Optical Design and Optical Engineering VIII; (1999) https://doi.org/10.1117/12.368196
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1999, Denver, CO, United States

Abstract

In this work, modeling along with associate experiments of the broad-area laser with an external optical cavity which employs a mode-selecting mirror has been conducted to study the effects of optical feedback on the filamentation and mode control of broad-area semiconductor lasers. By using split-step FFT algorithm in a propagation mode, mode profiles of the broad-area lasers with a spherical cavity are simulated in detail, the simulation results agree very well with experimental measurements and verify the validity of the simulation model. Mode control of broad-area semiconductor lasers has also been studies through employing the same simulation model and associates experiments have also been conducted. The results will be presented in this paper.

Citation Download Citation

Wei Xu, Xudong Wang, Robert B. Gwynn, John M. Worlock, and R. Jennifer Hwu "Effects of optical feedback on the filamentation and mode control of broad-area semiconductor lasers", Proc. SPIE 3779, Current Developments in Optical Design and Optical Engineering VIII, (5 October 1999); https://doi.org/10.1117/12.368196

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