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Modulational instability of coupled nonlinear field equations for pulse propagation in a negative index material embedded into a Kerr medium |
JOSA B, Vol. 28, Issue 4, pp. 944-948 (2011)
http://dx.doi.org/10.1364/JOSAB.28.000944
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Abstract
We have investigated the modulation instability (MI) in a negative index media (NIM) or metamaterial (MM) using a new generalized model describing the pulse propagation in a NIM embedded into a Kerr medium. We have found that one could control the gain of MI in an MM by tuning the initial electric or magnetic field amplitudes. Our model successfully recovers previously proposed models to describe pulse propagation in MMs exhibiting Kerr nonlinearity. Moreover, it contains a few additional terms connecting both the electric and magnetic field envelopes in an MM.
© 2011 Optical Society of America
OCIS Codes
(190.0190) Nonlinear optics : Nonlinear optics
(190.3100) Nonlinear optics : Instabilities and chaos
(190.5530) Nonlinear optics : Pulse propagation and temporal solitons
(260.2030) Physical optics : Dispersion
ToC Category:
Nonlinear Optics
History
Original Manuscript: October 18, 2010
Revised Manuscript: February 2, 2011
Manuscript Accepted: February 14, 2011
Published: March 31, 2011
Citation
Amarendra K. Sarma and Manirupa Saha, "Modulational instability of coupled nonlinear field equations for pulse propagation in a negative index material embedded into a Kerr medium," J. Opt. Soc. Am. B 28, 944-948 (2011)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-28-4-944
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