Toward filament-free semiconductor lasers

John Gerard McInerney; Peter O'Brien; Peter M. W. Skovgaard; Mark P. Mullane; John A. Houlihan; Eamonn P. O'Neill; Jerome V. Moloney; Robert A. Indik

doi:10.1117/12.391442

14 July 2000 Toward filament-free semiconductor lasers

John Gerard McInerney, Peter O'Brien, Peter M. W. Skovgaard, Mark P. Mullane, John A. Houlihan, Eamonn P. O'Neill, Jerome V. Moloney, Robert A. Indik

Author Affiliations +

Proceedings Volume 3944, Physics and Simulation of Optoelectronic Devices VIII; (2000) https://doi.org/10.1117/12.391442
Event: Symposium on Integrated Optoelectronics, 2000, San Jose, CA, United States

Abstract

We outline physical models and simulations for suppression of self-focusing and filamentation in large aperture semiconductor lasers. The principal technical objective is to generate multi-watt CW or quasi-CW outputs with nearly diffraction limited beams, suitable for long distance free space transmission, focusing to small spots or coupling to single-mode optical fibers. The principal strategies are (1) optimization of facet damage thresholds, (2) reduction of the linewidth enhancement factor which acts as the principal nonlinear optical coefficient, and (3) design of laterally profiled propagation structures in lasers and amplifiers which suppress lateral reflections.

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John Gerard McInerney, Peter O'Brien, Peter M. W. Skovgaard, Mark P. Mullane, John A. Houlihan, Eamonn P. O'Neill, Jerome V. Moloney, and Robert A. Indik "Toward filament-free semiconductor lasers", Proc. SPIE 3944, Physics and Simulation of Optoelectronic Devices VIII, (14 July 2000); https://doi.org/10.1117/12.391442

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