1 February 2001 Optoelectronic quotient-selected modified signed-digit division
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Optical Engineering, 40(2), (2001). doi:10.1117/1.1336524
Abstract
A novel optoelectronic quotient-selected modified signed-digit division technique is proposed. This division method generates one quotient digit per iteration involving only one shift operation, one quotient selection operation and one addition/subtraction operation. The quotient digit can be selected by observing three most significant digits of the partial remainder independent of the divisor. Two algorithms based on truth-table look-up and binary logic operations are derived. For optoelectronic implementation, an efficient shared content-addressable memory based architecture as well as compact logic array processor based architecture with an electron-trapping device is proposed. Performance evaluation of the proposed optoelectronic quotient-selected division shows that it is faster than the previously reported convergence division approach. Finally, proof-of-principle experimental results are presented to verify the effectiveness of the proposed technique.
Feng Qian, Guoqiang Li, Mohammad S. Alam, "Optoelectronic quotient-selected modified signed-digit division," Optical Engineering 40(2), (1 February 2001). http://dx.doi.org/10.1117/1.1336524
JOURNAL ARTICLE
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KEYWORDS
Optoelectronics

Logic

Binary data

Computing systems

Spatial light modulators

Lithium

Symbolic substitution

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