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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 42, Iss. 21 — Jul. 20, 2003
  • pp: 4315–4319

Variable coupling coefficient nonlinear directional couplers with self-focusing and self-defocusing nonlinearity

Gang J. Liu, Bin M. Liang, Qu Li, and Guo L. Jin  »View Author Affiliations


Applied Optics, Vol. 42, Issue 21, pp. 4315-4319 (2003)
http://dx.doi.org/10.1364/AO.42.004315


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Abstract

Nonlinear directional couplers (NLDCs) with a variable coupling coefficient (VCC) in self-focusing and self-defocusing materials are investigated. Specifically, the Gaussian type VCC NLDCs are studied in detail. The results show that the responses of the VCC NLDCs on self-focusing and self-defocusing materials are different, especially when input power is high. The coupled-mode theory can also be used to predict the characteristics of the VCC NLDC on self-focusing material, even when input power is high.

© 2003 Optical Society of America

OCIS Codes
(130.3120) Integrated optics : Integrated optics devices
(130.3130) Integrated optics : Integrated optics materials
(130.4310) Integrated optics : Nonlinear
(230.1150) Optical devices : All-optical devices

History
Original Manuscript: October 7, 2002
Revised Manuscript: March 3, 2003
Published: July 20, 2003

Citation
Gang J. Liu, Bin M. Liang, Qu Li, and Guo L. Jin, "Variable coupling coefficient nonlinear directional couplers with self-focusing and self-defocusing nonlinearity," Appl. Opt. 42, 4315-4319 (2003)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-42-21-4315

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