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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 30, Iss. 29 — Oct. 10, 1991
  • pp: 4245–4256

Multichannel acousto-optic crossbar switch

Dan Owen Harris  »View Author Affiliations


Applied Optics, Vol. 30, Issue 29, pp. 4245-4256 (1991)
http://dx.doi.org/10.1364/AO.30.004245


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Abstract

We analyze an acousto-optic crossbar switch architecture that can be used to implement an N × N point-to-point switch with just N hardware complexity. In our analysis, we determine that insertion loss and cross talk are minimized if we place the output ports in the diffraction far field of the acousto-optic cell. Using this result, we develop an optimum switch design based on Fourier optics: a Fourier transform lens is used both to scale the output beams for efficient coupling to the output ports and to provide a necessary optical fan-in from input to output ports. We demonstrate the performance of switch configurations using single-mode fiber input ports in conjunction with single-mode fiber, multimode fiber, and photodiode output ports.

© 1991 Optical Society of America

History
Original Manuscript: September 12, 1990
Published: October 10, 1991

Citation
Dan Owen Harris, "Multichannel acousto-optic crossbar switch," Appl. Opt. 30, 4245-4256 (1991)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-30-29-4245


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