Perturbation theory for coupled nonlinear Schrödinger equations

Year: 1996

Authors: Midrio M., Wabnitz S., Franco P.

Autors Affiliation: Fondazione Ugo Bordoni, via B. Castiglione 59, Rome, 00142, Italy; Pirelli Cavi, Viale Sarca 222, Milan, 20146, Italy

Abstract: We extend the perturbation theory of the nonlinear Schrödinger equation to the case of the integrable vector nonlinear Schrödinger equation. By applying the perturbed inverse scattering transform, we derive a set of nonlinear coupled evolution equations for the adiabatic change of the parameters of a vector soliton, in the presence of a generic perturbation. We show that the same equations may also be obtained by means of a Lagrangian variational approach.

Journal/Review: PHYSICAL REVIEW E

Volume: 54 (5)      Pages from: 5743  to: 5751

KeyWords: Polarization; Solitons; Twisted fiber
DOI: 10.1103/PhysRevE.54.5743

Citations: 22
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