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Applied Optics

Applied Optics


  • Vol. 35, Iss. 32 — Nov. 10, 1996
  • pp: 6390–6396

Planar geometry thin-film all-optical programmable switch

P. M. Ranon, I. Dajani, D. C. Kopf, T. G. Alley, W. R. White, and J. J. Kester  »View Author Affiliations

Applied Optics, Vol. 35, Issue 32, pp. 6390-6396 (1996)

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We describe an all-optical programmable switch that can perform logic gate functions. This switch consists of a planar geometry germanium-doped silica waveguide, a Q-switched and mode-locked Nd:YAG laser, and the means of coupling laser light into different waveguiding modes of the thin film at the fundamental and second-harmonic frequencies. By the application of the appropriate optical programming sequence, the film-generated second-harmonic light can be made to perform the functionalities of various gates. In particular, a single waveguide was optically programmed to perform the or function and was then made to perform the and function with little change to the experimental arrangement.

© 1996 Optical Society of America

Original Manuscript: January 16, 1996
Revised Manuscript: August 23, 1996
Published: November 10, 1996

P. M. Ranon, I. Dajani, D. C. Kopf, T. G. Alley, W. R. White, and J. J. Kester, "Planar geometry thin-film all-optical programmable switch," Appl. Opt. 35, 6390-6396 (1996)

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