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Optical Engineering

Digital And Analogue Holographic Associative Memories
Author(s): H. J. White; N. B. Aldridge; I. Lindsay
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Paper Abstract

In this paper we consider digital and analogue implementations of optical associative memories. Both techniques rely on the holographic manipulation of optical information. In the digital scheme, which is based on an optical version of the Hopfield model, computer-generated holograms achieve this, whilst for the analogue processor, Fourier transform holograms are used. We discuss how these primitive associative memory systems could be extended to incorporate the learning algorithms required by the more flexible, and useful, neural network architectures.

Paper Details

Date Published: 1 January 1988
PDF: 8 pages
Opt. Eng. 27(1) doi: 10.1117/12.7976638
Published in: Optical Engineering Volume 27, Issue 1
Show Author Affiliations
H. J. White, British Aerospace PLC (England)
N. B. Aldridge, British Aerospace PLC (England)
I. Lindsay, Imperial College of Science and Technology (England)

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