All-Optical Associative Memory based on a Nonresonant Cavity with Image Bearing Beams

M. Ingold; M. Duelli; P. Günter; M. Schadt

doi:10.1364/PMED.1991.WC7

Photorefractive Materials, Effects, and Devices
Technical Digest Series (Optica Publishing Group, 1991),
paper WC7
•https://doi.org/10.1364/PMED.1991.WC7

All-Optical Associative Memory based on a Nonresonant Cavity with Image Bearing Beams

M. Ingold, M. Duelli, P. Günter, and M. Schadt

Photorefractive Materials, Effects, and Devices II 1991

Beverly, Massachusetts United States
29–31 July 1991
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Poster Session: Wave Interactions and Devices (WC)

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M. Ingold, M. Duelli, P. Günter, and M. Schadt, "All-Optical Associative Memory based on a Nonresonant Cavity with Image Bearing Beams," in Photorefractive Materials, Effects, and Devices, Technical Digest Series (Optica Publishing Group, 1991), paper WC7.

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Abstract

A new configuration of an all-optical, nonlinear holographic associative memory [1] is investigated. A multistable, content-addressable cavity is used, that performs image comparison, discrimination and read-out in one step. The required nonlinear processes are obtained by using a combination of a photorefractive KNbO₃ crystal and a nematic liquid crystal (NLC) in a feedback configuration with several beams.

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