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Proceedings Paper

Weak-nonlinear propagation of subpicosecond pulses in graded-index light guides with a small longitudinal inhomogeneity
Author(s): Mikhail A. Bisyarin; Ivan A. Molotkov
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Paper Abstract

A mathematical approach for modeling the subpicosecond pulse transmission in inhomogeneous optical fibers is suggested. Propagation of subpicosecond pulses is described under the assumption that they are affected by third-order dispersion and self-steepening. The pulse envelope is shown to obey a generalized nonlinear Schrodinger equation with additional terms characterizing the third-order dispersion and self- steepening of the pulse, and the Cauchy's problem for this equation with the initial values of the soliton type is investigated. Asymptotic solutions to this equation are constructed for the cases of (1) small third-order dispersion and self-steepening, and (2) short distances in the fiber for finite third-order dispersion and self- steepening. Phase distortions are considered for both cases as well.

Paper Details

Date Published: 14 April 2000
PDF: 8 pages
Proc. SPIE 3927, Optical Pulse and Beam Propagation II, (14 April 2000); doi: 10.1117/12.382058
Show Author Affiliations
Mikhail A. Bisyarin, St. Petersburg Univ. (Russia)
Ivan A. Molotkov, Institute of Terrestrial Magnetism, Ionosphere, and Radio Wave Propagation (Russia)


Published in SPIE Proceedings Vol. 3927:
Optical Pulse and Beam Propagation II
Yehuda B. Band, Editor(s)

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