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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 28, Iss. 18 — Sep. 15, 1989
  • pp: 3838–3842

Globality and speed of optical parallel processors

Adolf W. Lohmann and Arvind S. Marathay  »View Author Affiliations


Applied Optics, Vol. 28, Issue 18, pp. 3838-3842 (1989)
http://dx.doi.org/10.1364/AO.28.003838


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Abstract

The chances of optical computing are probably best if a large number of processing elements act in parallel. The efficiency of parallel processors depends, among other things, on the time it takes to communicate signals from one processor to any other processor. In an optical parallel processor one hopes to be able to transmit a signal from one processor to any other processor within only one cycle period, no matter how far apart the processors are. Such a global communications network is desirable especially for algorithms with global interactions. The fast Fourier algorithm is an example. We define a degree of globality and we show how speed and globality are related. Our result applies to a specific architecture based on spatial filtering.

© 1989 Optical Society of America

History
Original Manuscript: February 14, 1989
Published: September 15, 1989

Citation
Adolf W. Lohmann and Arvind S. Marathay, "Globality and speed of optical parallel processors," Appl. Opt. 28, 3838-3842 (1989)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-28-18-3838

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