Efficient optical negabinary signed-digit arithmetic operations and implementation using electron-trapping device

Guoqiang Li; Feng Qian; Hao Ruan; Liren Liu

doi:10.1117/12.354748

19 July 1999 Efficient optical negabinary signed-digit arithmetic operations and implementation using electron-trapping device

Guoqiang Li, Feng Qian, Hao Ruan, Liren Liu

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Proceedings Volume 3749, 18th Congress of the International Commission for Optics; (1999) https://doi.org/10.1117/12.354748
Event: ICO XVIII 18th Congress of the International Commission for Optics, 1999, San Francisco, CA, United States

Abstract

A two-step carry-free negabinary signed-digit (NSD) addition/subtraction algorithm and the fast conversion algorithm from NSD to negabinary in the carry-look-ahead mode have been investigated. All the arithmetic operations can be performed with binary logic. By programming the binary reference bits, addition and subtraction can be realized in parallel with the same binary logic functions. Correspondingly, a compact general-purpose optoelectronic arithmetic-logic array system using electron trapping device is suggested. Various complex logic functions can be performed by programming the illumination of the data arrays without additional temporal latency of the intermediate results. Experimental results will be presented.

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Guoqiang Li, Feng Qian, Hao Ruan, and Liren Liu "Efficient optical negabinary signed-digit arithmetic operations and implementation using electron-trapping device", Proc. SPIE 3749, 18th Congress of the International Commission for Optics, (19 July 1999); https://doi.org/10.1117/12.354748

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KEYWORDS

Binary data

Logic

Computer programming

Optoelectronics

Optoelectronic devices

Algorithm development

Array processing

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