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Proceedings Paper

Optical Mimd Logic By Using Spatial Modulation Techniques
Author(s): Toyohiko Yatagai
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Paper Abstract

A new optical logic operation technique is proposed which is based on spatial encoding and superposition of a decoding mask with the coded input patterns. Sixteen logical functions of two logical variables can be realized. In the present method, the multiple instruction-stream multiple data-stream (MIMD) logic operation is realized, that is, different logical operations are performed in parallel. The new method is the MIMD extension of Tanida and Ichioka's optical shadow-casting logic, which is based on a SIMD (single instruction-stream multiple data-stream) logic gate array. Simple examples are demonstrated. An application of this method to the Minnick cellular architecture is discussed.

Paper Details

Date Published: 9 June 1986
PDF: 6 pages
Proc. SPIE 0625, Optical Computing, (9 June 1986); doi: 10.1117/12.963480
Show Author Affiliations
Toyohiko Yatagai, University of Tsukuba (Japan)

Published in SPIE Proceedings Vol. 0625:
Optical Computing
John A. Neff, Editor(s)

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