Nonlocal solitons in dual-periodic PT-symmetric optical lattices

Huagang Li, Xiujuan Jiang, Xing Zhu, and Zhiwei Shi
Phys. Rev. A 86, 023840 – Published 22 August 2012

Abstract

We numerically study the nonlocal solitons in dual-periodic parity-time (PT) symmetric optical lattices built into a nonlocal self-focusing medium. We state the existence, stability, and propagation dynamics of such PT-gap solitons in detail. Simulated results show that there exist stable gap solitons. The energy flow density and the stable region of the PT-gap solitons in both the propagation constant and the degree of nonlocality are also examined.

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  • Received 8 February 2012

DOI:https://doi.org/10.1103/PhysRevA.86.023840

©2012 American Physical Society

Authors & Affiliations

Huagang Li1, Xiujuan Jiang2, Xing Zhu3, and Zhiwei Shi2,*

  • 1Department of Physics, Guangdong university of Education, Guangzhou 510303, China
  • 2School of Information Engineering, Guangdong University of Technology, Guangzhou 510006, China
  • 3State Key Laboratory of Optoelectronic Materials and Technologies, Sun Yat-Sen University, Guangzhou 510275, China

  • *szwstar@gdut.edu.cn

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Issue

Vol. 86, Iss. 2 — August 2012

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