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Optics Letters

Optics Letters


  • 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)

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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

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

Joseph E. Ford, Yeshaiahu Fainman, and Sing H. Lee, "Array interconnection by phase-coded optical correlation," Opt. Lett. 15, 1088-1090 (1990)

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  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]
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