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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 15, Iss. 19 — Oct. 1, 1990
  • pp: 1088–1090

Array interconnection by phase-coded optical correlation

Joseph E. Ford, Yeshaiahu Fainman, and Sing H. Lee  »View Author Affiliations


Optics Letters, Vol. 15, Issue 19, pp. 1088-1090 (1990)
http://dx.doi.org/10.1364/OL.15.001088


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Abstract

We present an algorithm for optical interconnection of two-dimensional arrays by transmitting the input through a phase-code mask then correlating it with a control image constructed from the interconnection weights. An arbitrary complex-weighted interconnection pattern can be encoded. We show how the output signal-to-noise ratio can be traded for control image size and complexity by adjusting the phase-code feature size. Theoretical calculations of the average output signal-to-noise ratio are compared with computer simulations of the algorithm.

© 1990 Optical Society of America

History
Original Manuscript: February 5, 1990
Manuscript Accepted: June 30, 1990
Published: October 1, 1990

Citation
Joseph E. Ford, Yeshaiahu Fainman, and Sing H. Lee, "Array interconnection by phase-coded optical correlation," Opt. Lett. 15, 1088-1090 (1990)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-15-19-1088


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References

  1. J. Shamir, H. J. Caulfield, R. B. Johnson, Appl. Opt. 28, 311 (1988). [CrossRef]
  2. D. Psaltis, D. Brady, K. Wagner, Appl. Opt. 27, 1752 (1988). [CrossRef]
  3. R. A. Heinz, J. O. Artman, S. H. Lee, Appl. Opt. 9, 2161 (1970). [CrossRef] [PubMed]
  4. E. G. Paek, D. Psaltis, Opt. Eng. 26, 428 (1987).
  5. J. W. Goodman, Statistical Optics (Wiley, New York, 1985), Sec. 2.9.
  6. D. M. Pepper, J. Au Yeung, D. Fekete, A. Yariv, Opt. Lett. 3, 7 (1978). [CrossRef] [PubMed]
  7. J. E. Ford, Y. Fainman, S. H. Lee, in Conference Record of 1990 International Topical Meeting on Optical Computing (Japan Society of Applied Physics, Tokyo, 1990), p. 414.

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