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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Grover Swartzlander
  • Vol. 30, Iss. 2 — Feb. 1, 2013
  • pp: 460–467

Suppression of pulse splitting in two-core optical fibers with Kerr nonlinearity

Jin Hua Li, Kin Seng Chiang, and Kwok Wing Chow  »View Author Affiliations


JOSA B, Vol. 30, Issue 2, pp. 460-467 (2013)
http://dx.doi.org/10.1364/JOSAB.30.000460


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Abstract

Intermodal dispersion (IMD) in a two-core fiber can cause significant pulse distortion or even pulse splitting. In this paper, by solving the generalized coupled nonlinear Schrödinger equations, we study the possibility of suppressing the effects of IMD with Kerr nonlinearity in a two-core fiber. We discover that, in the anomalous dispersion regime, when the IMD is sufficiently small and the linear coupling between the two cores is sufficiently strong, an input pulse power larger than the soliton power can prevent the pulse from broadening and splitting. The maximum IMD that can be balanced by nonlinearity increases with the input power. Our study shows that a proper balance of the group-velocity dispersion, the IMD, and the nonlinearity in a two-core fiber can maintain the integrity of the pulse over a long distance.

© 2013 Optical Society of America

OCIS Codes
(060.1810) Fiber optics and optical communications : Buffers, couplers, routers, switches, and multiplexers
(060.2310) Fiber optics and optical communications : Fiber optics
(060.2340) Fiber optics and optical communications : Fiber optics components
(060.5530) Fiber optics and optical communications : Pulse propagation and temporal solitons
(190.4370) Nonlinear optics : Nonlinear optics, fibers

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: October 19, 2012
Manuscript Accepted: December 24, 2012
Published: January 29, 2013

Citation
Jin Hua Li, Kin Seng Chiang, and Kwok Wing Chow, "Suppression of pulse splitting in two-core optical fibers with Kerr nonlinearity," J. Opt. Soc. Am. B 30, 460-467 (2013)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-30-2-460

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