Nonlinear propagation of electromagnetic waves in negative-refraction-index composite materials

Yannis Kourakis, P K Shukla

Research output: Contribution to journalArticle

107 Citations (Scopus)

Abstract

We investigate the nonlinear propagation of electromagnetic waves in left-handed materials. For this purpose, we consider a set of coupled nonlinear Schrodinger (CNLS) equations, which govern the dynamics of coupled electric and magnetic field envelopes. The CNLS equations are used to obtain a nonlinear dispersion, which depicts the modulational stability profile of the coupled plane-wave solutions in left-handed materials. An exact (in)stability criterion for modulational interactions is derived, and analytical expressions for the instability growth rate are obtained.
Original languageEnglish
Article number016626
JournalPhysical Review E
Volume72
Issue number1
DOIs
Publication statusPublished - Jul 2005

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Condensed Matter Physics
  • Statistical and Nonlinear Physics
  • Mathematical Physics

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