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Optics Letters

Optics Letters


  • Vol. 19, Iss. 2 — Jan. 15, 1994
  • pp: 99–101

Reduction of cross talk in an acousto-optic switch by means of dilation

D. A. Smith, A. d’Alessandro, J. E. Baran, D. J. Fritz, and R. H. Hobbs  »View Author Affiliations

Optics Letters, Vol. 19, Issue 2, pp. 99-101 (1994)

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It is demonstrated that cascaded (dilated) acousto-optic switches exhibit greatly reduced interport and interchannel cross talk. In our experiments, a pair of monolithic polarization-independent acousto-optic switches were joined to simulate the bar and cross states of a dilated switch consisting of a 2 × 2 matrix of subswitches. Reduction of bar- and cross-state extinctions and sidelobe levels confirmed the supposition that leakage of order in a one-stage device decreases to order 2 in dilated devices.

© 1994 Optical Society of America

Original Manuscript: July 26, 1993
Published: January 15, 1994

D. A. Smith, D. J. Fritz, R. H. Hobbs, A. d’Alessandro, and J. E. Baran, "Reduction of cross talk in an acousto-optic switch by means of dilation," Opt. Lett. 19, 99-101 (1994)

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