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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 11, Iss. 7 — Jul. 1, 1986
  • pp: 482–484

Optical implementation of associative memory with controlled nonlinearity in the correlation domain

Ravindra A. Athale, Harold H. Szu, and Carl B. Friedlander  »View Author Affiliations


Optics Letters, Vol. 11, Issue 7, pp. 482-484 (1986)
http://dx.doi.org/10.1364/OL.11.000482


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Abstract

A mathematical model for incorporating controllable nonlinearity in the correlation domain of a conventional associative memory is described. Such a mechanism provides the flexibility of rapidly and arbitrarily changing the strengths of the stored states in an associative memory. Such a feature corresponds to shifting of attention in psychological terms. This attentive associative memory can be implemented optically. Results obtained with computer simulation and a design for a compact optical implementation are discussed.

© 1986 Optical Society of America

History
Original Manuscript: March 5, 1986
Manuscript Accepted: May 6, 1986
Published: July 1, 1986

Citation
Ravindra A. Athale, Harold H. Szu, and Carl B. Friedlander, "Optical implementation of associative memory with controlled nonlinearity in the correlation domain," Opt. Lett. 11, 482-484 (1986)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-11-7-482


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References

  1. D. Psaltis, N. Farhat, Opt. Lett. 10, 98 (1985). [CrossRef] [PubMed]
  2. A. D. Fisher, C. L. Giles, J. N. Lee, in Technical Digest of the Optical Computing Topical Meeting (Optical Society of America, Washington, D.C., 1985), paper WB4.
  3. J. Opt. Soc. Am. A, 2(13), P47–P48 (1985).
  4. T. Kohonen, Self-Organization and Associative Memory, Vol. 8 of Springer Series in Information Sciences (Springer-Verlag, Berlin, 1984).
  5. J. J. Hopfield, Proc. Natl. Acad. Sci. USA 79, 2554 (1982). [CrossRef] [PubMed]
  6. B. H. Soffer, G. J. Dunning, Y. Owechko, E. Marom, “Associative holographic memory with feedback using phase-conjugate mirrors,” submitted to Opt. Lett.
  7. This connection was pointed out to the authors by J. P. Sage, MIT Lincoln Laboratory, Lexington, Mass. 02173 (personal communication).

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