Gap solitons in optical lattices embedded into nonlocal media

Yuanyao Lin*, Chandroth P. Jisha, Ching Jen Jeng, Ray Kuang Lee, Boris A. Malomed

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

6 Scopus citations


We analyze the existence, stability, and mobility of gap solitons (GSs) in a periodic photonic structure built into a nonlocal self-defocusing medium. Counterintuitively, the GSs are supported even by a highly nonlocal nonlinearity, which makes the system quasilinear. Unlike local models, the variational approximation predicts the GSs in good agreement with numerical findings due to the suppression of undulating tails of the solitons.

Original languageEnglish
Article number063803
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Issue number6
StatePublished - 2 Jun 2010


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