Observation of transverse instabilities in optically induced lattices

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

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    10 Citations (Scopus)


    We study experimentally the Bloch-wave instabilities in optically induced photonic lattices. We reveal two different instability scenarios associated with either the transverse modulational instability of a single Bloch wave or the nonlinear interband coupling between different Bloch waves. We show that the transverse instability is greatly enhanced in the induced lattice in comparison with homogeneous media.

    Original languageEnglish
    Pages (from-to)259-261
    Number of pages3
    JournalOptics Letters
    Issue number3
    Publication statusPublished - 1 Feb 2004


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