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

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    51 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

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