Critical enhancement of photorefractive beam coupling

E.V. Podivilov, B.I. Sturman, H.C. Pedersen, P.M. Johansen

    Research output: Contribution to journalJournal articleResearchpeer-review


    We show that a hybridization of the optical and material nonlinearities takes place near the threshold of the subharmonic generation in photorefractive crystals. It results in a critical (with a singularity) enhancement of the rate of spatial amplification of light waves and leads to a variety of new optical critical phenomena.
    Original languageEnglish
    JournalPhysical Review Letters
    Issue number9
    Pages (from-to)1867-1870
    Publication statusPublished - 2000


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