Nonlinear Bloch-wave interaction and Bragg scattering in optically induced lattices

Andrey A. Sukhorukov*, Dragomir Neshev, Wieslaw Krolikowski, Yuri S. Kivshar

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    70 Citations (Scopus)


    The light propagation in optically induced photonic lattices near the bragg scattering angle was analyzed. The nonlinear Bloch-wave interaction and self-focusing in the spectrum gaps were also determined. The key patterns of the beam scattering and the self action were observed by the generic relation established between the Bloch-wave spectrum and the structure of diffracted waves. It was found that the bragg scattering of light reveal the key physical mechanisms which govern the nonlinear self-action of narrow beams under the combined effects of bragg scattering and wave diffraction.

    Original languageEnglish
    Article number093901
    Pages (from-to)093901-1-093901-4
    JournalPhysical Review Letters
    Issue number9
    Publication statusPublished - 5 Mar 2004


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