Unidirectional soliton flows in PT-symmetric potentials

U. Al Khawaja, S. M. Al-Marzoug, H. Bahlouli, Yuri S. Kivshar

Research output: Contribution to journalArticlepeer-review

39 Citations (Scopus)


We study the soliton scattering by parity-time- (PT) symmetric potentials and demonstrate that, for a certain range of parameters, both single and multiple soliton scattering exhibit almost perfect unidirectional flow. We employ direct numerical simulations of the corresponding nonlinear Schrödinger equation combined with the analysis of the effective equations derived by the collective-coordinate approach and reveal that the physical mechanism behind this effect of the unidirectional scattering is related to the energy exchange between the soliton center of mass and its internal mode.

Original languageEnglish
Article number023830
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Issue number2
Publication statusPublished - Aug 19 2013

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics


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