Bragg solitons in nonlinear PT-symmetric periodic potentials

Mohammad Ali Miri, Alejandro B. Aceves, Tsampikos Kottos, Vassilios Kovanis, Demetrios N. Christodoulides

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85 Citations (Scopus)

Abstract

It is shown that slow Bragg soliton solutions are possible in nonlinear complex parity-time (PT) symmetric periodic structures. Analysis indicates that the PT-symmetric component of the periodic optical refractive index can modify the grating band structure and hence the effective coupling between the forward and backward waves. Starting from a classical modified massive Thirring model, solitary wave solutions are obtained in closed form. The basic properties of these slow solitary waves and their dependence on their respective PT-symmetric gain-loss profile are then explored via numerical simulations.

Original languageEnglish
Article number033801
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Volume86
Issue number3
DOIs
Publication statusPublished - Sep 4 2012

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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  • Cite this

    Miri, M. A., Aceves, A. B., Kottos, T., Kovanis, V., & Christodoulides, D. N. (2012). Bragg solitons in nonlinear PT-symmetric periodic potentials. Physical Review A - Atomic, Molecular, and Optical Physics, 86(3), [033801]. https://doi.org/10.1103/PhysRevA.86.033801