Abstract

This paper studies the problem of digital logical or arithmetical optical processors that can be optically connected without any transducers to obtain maximum performance from the optics. After some comments on the double-diffraction linear systems, we examine FWM configurations, and describe optical computing units which combine FWM and amplitude coding. We show that programmable multiplexed operators can be implemented, using the probe signal as a control function. Finally, an optical equivalent of a transistor is proposed.

© 1984 Optical Society of America

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