Optical pulse dynamics in active metamaterials with positive and negative refractive index

Alexander O. Korotkevich, Kathryn E. Rasmussen, Gregor Kovačič, Victor Roytburd, Andrei I. Maimistov, Ildar R. Gabitov

Research output: Contribution to journalArticle

1 Scopus citations

Abstract

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.

Original languageEnglish (US)
Pages (from-to)1077-1084
Number of pages8
JournalJournal of the Optical Society of America B: Optical Physics
Volume30
Issue number4
DOIs
StatePublished - Apr 2013

ASJC Scopus subject areas

  • Statistical and Nonlinear Physics
  • Atomic and Molecular Physics, and Optics

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