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

Yannis Kourakis; P K Shukla

doi:10.1103/PhysRevE.72.016626

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

Yannis Kourakis, P K Shukla

Research output: Contribution to journal › Article › peer-review

124 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 language	English
Article number	016626
Journal	Physical Review E
Volume	72
Issue number	1
DOIs	https://doi.org/10.1103/PhysRevE.72.016626
Publication status	Published - Jul 2005

ASJC Scopus subject areas

General Physics and Astronomy
Condensed Matter Physics
Statistical and Nonlinear Physics
Mathematical Physics

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10.1103/PhysRevE.72.016626

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title = "Nonlinear propagation of electromagnetic waves in negative-refraction-index composite materials",

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.",

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AB - 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.

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JO - Physical Review E

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

Abstract

ASJC Scopus subject areas

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