Modulational instability of coupled nonlinear field equations for pulse propagation in a negative index material embedded into a Kerr medium

Details Modulational instability of coupled nonlinear field equations for pulse propagation in a negative index material embedded into a Kerr medium Modulational instability of coupled nonlinear field equations for pulse propagation in a negative index material embedded into a Kerr medium

2010-06-09

arxiv.org/abs/1006.1876v2

Journal of Optical Society of America B (JOSA-B) Vol. 28,No. 4, p.944 (2011)

Physics

Classical Physics

11 pages

Scientific paper

We have investigated the modulational instability (MI) in a negative index media (NIM) using a new generalized model describing the pulse propagation in a negative index material embedded into a Kerr medium. We have found that one could control the gain of MI in a NIM by tuning the initial electric or magnetic field amplitudes . Our model successfully recovers previously proposed models to describe pulse propagation in NIMs exhibiting Kerr nonlinearity. Moreover it contains a few additional terms connecting both the electric and magnetic field envelopes in a NIM.

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