Optical pulse dynamics in active metamaterials with positive and negative refractive index. Journal of the Optical Society of America B: Optical Physics, Volume 30, Issue 4, April 2013, Pages 1077-1084

14 сентября 2018
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Контактные данные автора публикации Korotkevich, A.O.ab , Rasmussen, K.E.c, Kovačič, G.d, Roytburd, V.d, Maimistov, A.I.ef, Gabitov, I.R.g a Department of Mathematics and Statistics, MSC01 1115, 1 University of New Mexico, Albuquerque, NM 87131-0001, United State
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We study numerically the propagation of two-color light pulses through a metamaterial doped with active atoms such that the carrier frequencies of the pulses are in resonance with two atomic transitions in the Λ configuration and that one color propagates in the regime of positive refraction and the other in the regime of negative refraction. In such a metamaterial, one resonant color of light propagates with positive and the other with negative group velocity. We investigate nonlinear interaction of these forward- and backward-propagating waves and find selftrapped waves, counterpropagating radiation waves, and hot spots of medium excitation. © 2013 Optical Society of America.
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