Two-dimensional self-trapped nonlinear photonic lattices

Anton S. Desyatnikov, Nina Sagemerten, Robert Fischer, Bernd Terhalle, Denis Träger, Dragomir N. Neshev, Alexander Dreischuh, Cornelia Denz, Wieslaw Krolikowski, Yuri S. Kivshar

Research output: Contribution to journalArticlepeer-review

50 Citations (Scopus)

Abstract

We predict theoretically and generate experimentally in photorefractive crystal two-dimensional self-trapped periodic waves of different symmetries, including vortex lattices - patterns of phase dislocations with internal energy flows. We demonstrate that these nonlinear waves exist with nonlocal nonlinearity even when the optically-induced periodic refractive index becomes highly anisotropic, and it depends on the orientation of the two-dimensional lattice relative to the crystallographic c-axis.

Original languageEnglish
Pages (from-to)2851-2863
Number of pages13
JournalOptics Express
Volume14
Issue number7
DOIs
Publication statusPublished - Apr 2006

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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