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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 46, Iss. 23 — Aug. 10, 2007
  • pp: 5588–5592

All-optical switch based on two-pump four-wave mixing in fibers without a frequency shift

Yu Tian, Xiaosheng Xiao, Shiming Gao, and Changxi Yang  »View Author Affiliations


Applied Optics, Vol. 46, Issue 23, pp. 5588-5592 (2007)
http://dx.doi.org/10.1364/AO.46.005588


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Abstract

We report an all-optical switch based on two-pump four-wave mixing in fibers. The switched signal is not shifted in frequency in this scheme. For different signal wavelengths, the pump wavelengths and powers can be optimized to achieve the best performance. The principle of how to design the switch is discussed in detail. A high extinction ratio of 60   dB is obtained when the pump parameters are optimized by a genetic algorithm that exhibits good convergence property and high computing efficiency. The effect of zero-dispersion wavelength fluctuations along the fiber on the switch is analyzed.

© 2007 Optical Society of America

OCIS Codes
(060.1810) Fiber optics and optical communications : Buffers, couplers, routers, switches, and multiplexers
(060.4370) Fiber optics and optical communications : Nonlinear optics, fibers
(190.4380) Nonlinear optics : Nonlinear optics, four-wave mixing
(230.1150) Optical devices : All-optical devices

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: October 11, 2006
Revised Manuscript: March 23, 2007
Manuscript Accepted: May 11, 2007
Published: August 7, 2007

Citation
Yu Tian, Xiaosheng Xiao, Shiming Gao, and Changxi Yang, "All-optical switch based on two-pump four-wave mixing in fibers without a frequency shift," Appl. Opt. 46, 5588-5592 (2007)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-46-23-5588

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