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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Vol. 18, Iss. 11 — Nov. 1, 2001
  • pp: 1554–1562

Phase jump in an optical directional coupler

Youfa Wang, Ching-Kwang Lee, and Jinlu Kuang  »View Author Affiliations


JOSA B, Vol. 18, Issue 11, pp. 1554-1562 (2001)
http://dx.doi.org/10.1364/JOSAB.18.001554


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Abstract

The phase jumps in a linear coupler and a nonlinear coherent coupler are demonstrated analytically. The theoretical results show that slight changes in the ratio of input powers or a mismatch in the linear coupler slight changes in the input power in the nonlinear coupler can lead to a phase shift of π. This characteristic of the coupler may lead to electro-optical switching with an ultralow switching voltage or to all-optical switching with low switching power.

© 2001 Optical Society of America

OCIS Codes
(060.1810) Fiber optics and optical communications : Buffers, couplers, routers, switches, and multiplexers
(190.4360) Nonlinear optics : Nonlinear optics, devices
(230.4320) Optical devices : Nonlinear optical devices

Citation
Youfa Wang, Ching-Kwang Lee, and Jinlu Kuang, "Phase jump in an optical directional coupler," J. Opt. Soc. Am. B 18, 1554-1562 (2001)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-18-11-1554

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