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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Vol. 15, Iss. 8 — Aug. 1, 1998
  • pp: 2210–2215

Optical solitons in a dispersion-flattened fiber with linear and quadratic intensity-dependent refractive-index changes

Chi-Feng Chen and Sien Chi  »View Author Affiliations


JOSA B, Vol. 15, Issue 8, pp. 2210-2215 (1998)
http://dx.doi.org/10.1364/JOSAB.15.002210


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Abstract

Optical-soliton propagation in a dispersion-flattened fiber is investigated, of which third-order dispersion is nil and fourth-order dispersion exists with linear and quadratic intensity-dependent refractive-index changes. For four possible sign combinations of the second-order dispersion and the Kerr-effect terms, we found that there are two types of bright-soliton solutions and two types of dark-soliton solutions. The magnitude of the fourth-order dispersion parameter is related to the quadratic intensity-dependent nonlinearity coefficient, and their signs are opposite. The peak power and the period of the soliton are determined by the magnitude of the fourth-order dispersion parameter. We numerically show that the bright-soliton solution in anomalous second-order dispersion and the positive Kerr coefficient regime is stable and becomes quasi stable when the Raman effect is considered.

© 1998 Optical Society of America

OCIS Codes
(060.4370) Fiber optics and optical communications : Nonlinear optics, fibers
(060.5530) Fiber optics and optical communications : Pulse propagation and temporal solitons

Citation
Chi-Feng Chen and Sien Chi, "Optical solitons in a dispersion-flattened fiber with linear and quadratic intensity-dependent refractive-index changes," J. Opt. Soc. Am. B 15, 2210-2215 (1998)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-15-8-2210


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