Fast optical digital arithmetic processors

Andrew A. Kostrzewski; Yao Li; George Eichmann; Dai Hyun Kim

doi:10.1117/12.21278

1 September 1990 Fast optical digital arithmetic processors

Andrew A. Kostrzewski, Yao Li, George Eichmann, Dai Hyun Kim

Proceedings Volume 1296, Advances in Optical Information Processing IV; (1990) https://doi.org/10.1117/12.21278
Event: 1990 Technical Symposium on Optics, Electro-Optics, and Sensors, 1990, Orlando, FL, United States

Abstract

A new scheme for digital optical computing, utilizing a non-holographic opto-electronic addressable memory (CAM), is discussed. To illustrate the performance of this arithmetic processor, the design of an optical binary carry look-ahead adder (CLA), also, the design of a binary, a logarithmic number (LN) and a residue number (RN) multipliers are presented. Compared to existing opto-electronic approaches, this non-holographic CAM offers a number of practical advantages, such as fast processing speed, ease of optical implementation and alignment. Two spatial input data encoding techniques, an active low and high, are discussed. A multioperation multibit CAM processor is presented. Experimental results for a CLA adders; and a binary, residue and logarithmic number multipliers are also presented.

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Andrew A. Kostrzewski, Yao Li, George Eichmann, and Dai Hyun Kim "Fast optical digital arithmetic processors", Proc. SPIE 1296, Advances in Optical Information Processing IV, (1 September 1990); https://doi.org/10.1117/12.21278

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KEYWORDS

Content addressable memory

Logic

Binary data

Radon

Sensors

Photomasks

Optical signal processing

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