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Saturable nonlinear dielectric waveguide with applications to broad-area semiconductor lasers

Mehuys, David and Mittelstein, Michael and Salzman, Joseph and Yariv, Amnon (1987) Saturable nonlinear dielectric waveguide with applications to broad-area semiconductor lasers. Optics Letters, 12 (11). pp. 953-955. ISSN 0146-9592. doi:10.1364/OL.12.000953.

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Self-focusing in a passive dielectric waveguide with a saturable nonlinearity is studied. The eigensolutions constitute a good approximation to the lateral modes of broad-area semiconductor lasers under low-duty-cycle pulsed conditions. The laser modes are predicted to consist of adjacent filaments coupled in phase, leading to a single-lobed far field, and to be stable with increased current injection above saturation intensity. The ultimate filament spacing is inversely proportional to the threshold gain, and thus wider filaments are expected in low-threshold broad-area lasers.

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Additional Information:© 1987 Optical Society of America. Received July 6, 1987; accepted August 4, 1987. The research described in this Letter was conducted in the Department of Applied Physics, California Institute of Technology, with the support of the U.S. Office of Naval Research and the National Science Foundation.
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Office of Naval Research (ONR)UNSPECIFIED
Issue or Number:11
Record Number:CaltechAUTHORS:20120626-084259181
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:32077
Deposited By: Tony Diaz
Deposited On:27 Jun 2012 17:16
Last Modified:09 Nov 2021 20:03

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