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Applied Optics

Applied Optics


  • Vol. 37, Iss. 12 — Apr. 20, 1998
  • pp: 2296–2302

Modulation of coupling in a photonic switch by resonant interference

Alfred E. Attard  »View Author Affiliations

Applied Optics, Vol. 37, Issue 12, pp. 2296-2302 (1998)

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A novel photonic switch structure is described in which the coupling of light between two fiber waveguides is controlled by the resonant interference of a third waveguide. The switching action is controlled by a small variation of the index of refraction of the control waveguide by the application of either photo-optical (Kerr) techniques or electro-optical (Pockels) techniques. The control waveguide can be either a fiber waveguide or a slab waveguide. The equations for the waveguide coupling were obtained by analytical approximations from coupled-mode theory. A beam-propagation simulation was also used. The results of the two models were compared. Multiple resonant interferences were observed in the case of a slab waveguide.

© 1998 Optical Society of America

OCIS Codes
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.1810) Fiber optics and optical communications : Buffers, couplers, routers, switches, and multiplexers
(060.2340) Fiber optics and optical communications : Fiber optics components
(230.0230) Optical devices : Optical devices

Original Manuscript: April 10, 1997
Revised Manuscript: July 14, 1997
Published: April 20, 1998

Alfred E. Attard, "Modulation of coupling in a photonic switch by resonant interference," Appl. Opt. 37, 2296-2302 (1998)

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