Self-trapped leaky waves in lattices: Discrete and Bragg soleakons

Maxim Kozlov, Ofer Kfir, Oren Cohen

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

We propose lattice soleakons: self-trapped waves that selfconsistently populate slowly-attenuating leaky modes of their self-induced defects in periodic potentials. Two types, discrete and Bragg, lattice soleakons are predicted. Discrete soleakons that are supported by combination of self-focusing and self-defocusing nonlinearities propagate robustly for long propagation distances. They eventually abruptly disintegrate because they emit power to infinity at an increasing pace. In contrast, Bragg soleakons self-trap by only self-focusing nonlinearity. Also, they do not disintegrate because they emit power at a decreasing rate.

Original languageEnglish
Pages (from-to)19690-19700
Number of pages11
JournalOptics Express
Volume21
Issue number17
DOIs
Publication statusPublished - Aug 26 2013

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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