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Counterpropagating optical solitons in \({\mathcal {PT}}\)-symmetric photonic lattices

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Abstract

We investigate numerically solitonic solutions for the system of two optical beams propagating in opposite directions in a parity-time (\({\mathcal {PT}}\)) symmetric photonic lattice by using modified Petviashvili’s method. Our system supports \({\mathcal {PT}}\)-symmetric fundamental solitons. We propagate such solitons and investigate their basic characteristics. We report symmetry breaking (or split-up) transition between counterpropagating beams in \({\mathcal {PT}}\)-symmetric photonic lattices.

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Acknowledgments

This work has been supported by the Ministry of Science of the Republic of Serbia under Projects OI 171033, 171006 and III 45016, and by the NPRP 6-021-1-005 Project of the Qatar National Research Fund (a member of Qatar Foundation).

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Authors and Affiliations

  1. Faculty of Physics, University of Belgrade, Studentski trg 12, Belgrade, 11000, Serbia

    Saša Stojanović

  2. Institute of Physics, University of Belgrade, P. O. Box 68, Belgrade, 11080, Serbia

    Aleksandra Strinić

  3. Texas A&M University at Qatar, P. O. Box 23874, Doha, Qatar

    Aleksandra Strinić & Milan Petrović

  4. Institute of Physics, P. O. Box 57, Belgrade, 11001, Serbia

    Milan Petrović

Authors
  1. Saša Stojanović
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  2. Aleksandra Strinić
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  3. Milan Petrović
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Correspondence to Aleksandra Strinić.

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This article is part of the Topical Collection on Advances in the Science of Light.

Guest Edited by Jelena Radovanovic, Milutin Stepic, Mikhail Sumetsky, Mauro Pereira and Dragan Indjin.

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Stojanović, S., Strinić, A. & Petrović, M. Counterpropagating optical solitons in \({\mathcal {PT}}\)-symmetric photonic lattices. Opt Quant Electron 48, 343 (2016). https://doi.org/10.1007/s11082-016-0605-z

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