Influence of Four-Wave Mixing and Walk-Off on the Self-Focusing of Coupled Waves

L. Bergé, Ole Bang, W. Krolikowski

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    Abstract

    Four-wave mixing and walk-off between two optical beams are! investigated For focusing Kerr media. It is shown that four-wave mixing reinforces the self-focusing of mutually trapped waves by lowering their power threshold for collapse, only when their phase mismatch is small. On the contrary, walk-off inhibits the collapse by detrapping the beams, whose partial centroids experience nonlinear oscillations.
    Original languageEnglish
    JournalPhysical Review Letters
    Volume84
    Issue number15
    Pages (from-to)3302-3305
    ISSN0031-9007
    DOIs
    Publication statusPublished - 2000

    Bibliographical note

    Copyright (2000) American Physical Society

    Keywords

    • MEDIA
    • PULSE-PROPAGATION
    • STABILITY
    • BIREFRINGENT OPTICAL FIBERS
    • EQUATIONS
    • VECTOR SOLITONS
    • AMPLITUDES
    • SPATIAL SOLITONS

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