Digital optical computer fundamentals, implementation, and ultimate limits

P. S. Guilfoyle

doi:10.1117/12.2283580

16 January 1990 Digital optical computer fundamentals, implementation, and ultimate limits

P. S. Guilfoyle

Proceedings Volume 10257, Digital Optical Computing: A Critical Review; 102570G (1990) https://doi.org/10.1117/12.2283580
Event: Digital Optical Computing, 1990, Los Angeles, United States

Abstract

Previous optical computing schemes offered analog or quasi-digital accuracies with a single fixed primitive. This paper describes how programmable, arbitrary bit length all digital Central Processing Unit (CPU) computations are now possible by using control logic to compute ALU primitives for emulating a general purpose programmable computer. These primitives are then executed sequentially in order to calculate 32 bit or larger primitives. This paper innitially discusses the theoretical background which addresses Shannon's expansion theorem, Morozov's control operator method, coupled with DeMorgan's laws. These three ingredients are then mapped onto current optical computer hardware technology using laser diode arrays, multichannel acousto-optic spatial light modulators, and avalanche photodiode arrays.

Citation Download Citation

P. S. Guilfoyle "Digital optical computer fundamentals, implementation, and ultimate limits", Proc. SPIE 10257, Digital Optical Computing: A Critical Review, 102570G (16 January 1990); https://doi.org/10.1117/12.2283580

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