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Optical Engineering

Optical implementation of artificial synapses by means of the Wigner distribution approach
Author(s): Joewono Widjaja; Jun Uozumi; Toshimitsu Asakura
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Paper Abstract

A new compact optical processor is proposed for implementing the synaptic interconnections of artificial neural networks. As a consequence of exploiting coordinate transformations, the synaptic elements are compact and applicable to any information. Hence, for use in conjunction with spatial light modulators, the proposed system leads to a programmable neural network. The synaptic interconnections between neurons are performed by means of diffractive optical elements. The required local phase variations of the diffractive optical elements are determined by using the Wigner distribution function. Preliminary experimental verification is presented for the 1-D and the 2-D synapses of neural networks

Paper Details

Date Published: 1 May 1994
PDF: 5 pages
Opt. Eng. 33(5) doi: 10.1117/12.164603
Published in: Optical Engineering Volume 33, Issue 5
Show Author Affiliations
Joewono Widjaja, Hokkaido Univ. (Japan)
Jun Uozumi, Hokkaido Univ. (Japan)
Toshimitsu Asakura, Hokkaido Univ. (Japan)


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