New concept for optical residue processors

Abstract

A new principle for the conversion of residue numbers into binary representation and vice versa by optical means is proposed. It utilizes the similarity of the periodic nature of interference patterns and residue numbers. The optical arrangement, an interferometric converter, consists of lasers, phase-modulators, and photodiodes. Some electronic circuitry is needed for evaluation of the results. A mathematical analysis demonstrates its feasibility. It is also shown that this new device can be used as an adder for residue numbers.

© 1982 Optical Society of America

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