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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 1 — Jan. 8, 2007
  • pp: 150–165

Optics inspired logic architecture

James Hardy and Joseph Shamir  »View Author Affiliations


Optics Express, Vol. 15, Issue 1, pp. 150-165 (2007)
http://dx.doi.org/10.1364/OE.15.000150


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Abstract

Conventional architectures for the implementation of Boolean logic are based on a network of bistable elements assembled to realize cascades of simple Boolean logic gates. Since each such gate has two input signals and only one output signal, such architectures are fundamentally dissipative in information and energy. Their serial nature also induces a latency in the processing time. In this paper we present a new, principally non-dissipative digital logic architecture which mitigates the above impediments. Unlike traditional computing architectures, the proposed architecture involves a distributed and parallel input scheme where logical functions are evaluated at the speed of light. The system is based on digital logic vectors rather than the Boolean scalars of electronic logic. The architecture employs a novel conception of cascading which utilizes the strengths of both optics and electronics while avoiding their weaknesses. It is inherently non-dissipative, respects the linear nature of interactions in pure optics, and harnesses the control advantages of electrons without reducing the speed advantages of optics. This new logic paradigm was specially developed with optical implementation in mind. However, it is suitable for other implementations as well, including conventional electronic devices.

© 2007 Optical Society of America

OCIS Codes
(200.3760) Optics in computing : Logic-based optical processing
(200.4660) Optics in computing : Optical logic
(200.4740) Optics in computing : Optical processing

ToC Category:
Optical Computing

History
Original Manuscript: August 28, 2006
Revised Manuscript: December 4, 2006
Manuscript Accepted: December 4, 2006
Published: January 8, 2007

Citation
James Hardy and Joseph Shamir, "Optics inspired logic architecture," Opt. Express 15, 150-165 (2007)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-15-1-150


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References

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