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Proceedings Paper

Absorption optical bistable scheme with additional lateral feedback
Author(s): Vyacheslav A. Trofimov; Andrey V. Shobukhov; A. S. Makarik
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Paper Abstract

We consider an optically bistable scheme based on growing absorption and equipped with an additional lateral feedback loop. Mathematical model of this device is proposed and analyzed. We demonstrate the simultaneous transfer to instability of steady states that belong to upper and lower branches of the bistable media characteristic curve. This stability loss may cause either self-switching of the scheme from one steady state to another or generation of autooscillations. The latter may be used for the formation of pulse sequences with given duration. We show that adding several loops instead of one sufficiently decreases the input intensity, necessary for switching. The role of diffusion processes in pulse formation is discussed, and the spatially non-uniformal stationary solutions are demonstrated.

Paper Details

Date Published: 24 September 1999
PDF: 9 pages
Proc. SPIE 3900, 3rd International Conference on Optical Information Processing, (24 September 1999); doi: 10.1117/12.364536
Show Author Affiliations
Vyacheslav A. Trofimov, Moscow State Univ. (Russia)
Andrey V. Shobukhov, Moscow State Univ. (Russia)
A. S. Makarik, Moscow State Univ. (Russia)

Published in SPIE Proceedings Vol. 3900:
3rd International Conference on Optical Information Processing
Yuri V. Gulyaev, Editor(s)

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