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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 37, Iss. 21 — Nov. 1, 2012
  • pp: 4543–4545

Multipeaked gap solitons in PT-symmetric optical lattices

Chunyan Li, Changming Huang, Haidong Liu, and Liangwei Dong  »View Author Affiliations

Optics Letters, Vol. 37, Issue 21, pp. 4543-4545 (2012)

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We report the existence and stability properties of multipeaked solitons in a defocusing Kerr medium with an imprinted complex optical lattice featuring a parity-time (PT) symmetry. Various families of soliton solutions with a different number of peaks are found in the first finite gap of the lattice. Linear stability analysis corroborated by direct propagation simulations reveals that multipeaked gap solitons can propagate stably in a wide range, provided that their propagation constant exceeds a critical value. Our findings demonstrate, for the first time, the existence of stable multipeaked gap solitons in a PT-symmetric lattice.

© 2012 Optical Society of America

OCIS Codes
(190.0190) Nonlinear optics : Nonlinear optics
(190.6135) Nonlinear optics : Spatial solitons

ToC Category:
Nonlinear Optics

Original Manuscript: July 2, 2012
Revised Manuscript: August 29, 2012
Manuscript Accepted: September 17, 2012
Published: October 30, 2012

Chunyan Li, Changming Huang, Haidong Liu, and Liangwei Dong, "Multipeaked gap solitons in PT-symmetric optical lattices," Opt. Lett. 37, 4543-4545 (2012)

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