Optically bistable scheme with multiple lateral feedbacks

Vyacheslav A. Trofimov; Andrey V. Shobukhov

doi:10.1117/12.528060

19 November 2003 Optically bistable scheme with multiple lateral feedbacks

Vyacheslav A. Trofimov, Andrey V. Shobukhov

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Proceedings Volume 4829, 19th Congress of the International Commission for Optics: Optics for the Quality of Life; (2003) https://doi.org/10.1117/12.528060
Event: 19th Congress of the International Commission for Optics: Optics for the Quality of Life, 2002, Florence, Italy

Abstract

We study an optically bistable scheme based on increasing absorption and equipped with multiple lateral feedbacks. These loops appear as a result of partial feeding of the output beam back into the semiconductor crystal through its side surface perpendicularly to the input beam. The cases of one-photon and two-photon absorption are considered. Using the mathematical model of the device we demonstrate bistability and compare two possibilities of switching from one steady state to another. We propose a technique which allows approximately fivefold reduction of the switching time and a decrease of energy consumption as compared with the existing devices based only on the increasing absorption.

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Vyacheslav A. Trofimov and Andrey V. Shobukhov "Optically bistable scheme with multiple lateral feedbacks", Proc. SPIE 4829, 19th Congress of the International Commission for Optics: Optics for the Quality of Life, (19 November 2003); https://doi.org/10.1117/12.528060

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KEYWORDS

Switching

Absorption

Mathematical modeling

Crystals

Semiconductors

Bistability

Laser crystals

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