Solitons in a homogenized two-phase, isotropic, nonlinear, particulate composite medium

Nikolaos L. Tsitsas, Akhlesh Lakhtakia, Dimitri J. Frantzeskakis

Research output: Contribution to journalArticle

2 Scopus citations

Abstract

The strong permittivity fluctuation theory was employed to determine the effective linear relative permittivity and the effective nonlinear susceptibility of a two-phase, isotropic, nonlinear, particulate composite medium. Propagation in the homogenized composite medium obeys the complex Ginzburg-Landau equation, and therefore the medium can support the propagation of chirped solitons that are either Pereira-Stenflo (PS) bright solitons or Nozaki-Bekki (NB) dark solitons, when linear loss is counterbalanced by nonlinear gain. Soliton propagation depends on the volume fraction of the component phases as well as on the correlation length of the spatial fluctuation of the dielectric properties in the composite medium.

Original languageEnglish (US)
Pages (from-to)2610-2616
Number of pages7
JournalJournal of the Optical Society of America B: Optical Physics
Volume29
Issue number9
DOIs
StatePublished - Sep 1 2012

All Science Journal Classification (ASJC) codes

  • Statistical and Nonlinear Physics
  • Atomic and Molecular Physics, and Optics

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