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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 27, Iss. 9 — May. 1, 1988
  • pp: 1651–1660

Optical design of programmable logic arrays

Miles J. Murdocca, Alan Huang, Jurgen Jahns, and Norbert Streibl  »View Author Affiliations


Applied Optics, Vol. 27, Issue 9, pp. 1651-1660 (1988)
http://dx.doi.org/10.1364/AO.27.001651


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Abstract

Regular free-space interconnects such as the perfect shuffle and banyan provided by beam splitters, lenses, and mirrors connect optical logic gates arranged in 2-D arrays. An algorithmic design technique transforms arbitrary logic equations into a near-optimal depth circuit. Analysis shows that an arbitrary interconnect makes little or no improvement in circuit depth and can even reduce throughput. Gate count is normally higher with a regular interconnect, and we show cost bounds. We conclude that regularly interconnected circuits will have a higher gate count compared with arbitrarily interconnected circuits using the design techniques presented here and that regular free-space interconnects are comparable with arbitrary interconnects in terms of circuit depth and are preferred to arbitrary interconnects for maximizing throughput.

© 1988 Optical Society of America

History
Original Manuscript: July 14, 1987
Published: May 1, 1988

Citation
Miles J. Murdocca, Alan Huang, Jurgen Jahns, and Norbert Streibl, "Optical design of programmable logic arrays," Appl. Opt. 27, 1651-1660 (1988)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-27-9-1651

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