Hexagon formation in photorefractive crystals as mirrorless coherent oscillation

Y. Uesu, A. Ueno, Masakazu Kobayashi, S. Odoulov

    Research output: Contribution to journalArticle

    2 Citations (Scopus)

    Abstract

    The spontaneous appearance of hexagon patterns in photorefractive crystals is treated as mirrorless coherent four-wave mixing oscillation. It is shown experimentally that the system has a well-defined coupling-strength threshold and behaves as other coherent optical oscillators near the threshold. A simple relation for the angle of the hexagon sideband as a function of the distance between the end mirror and the sample is derived and verified experimentally.

    Original languageEnglish
    Pages (from-to)2065-2069
    Number of pages5
    JournalJournal of the Optical Society of America B: Optical Physics
    Volume15
    Issue number7
    Publication statusPublished - 1998

    Fingerprint

    hexagons
    oscillations
    thresholds
    sidebands
    four-wave mixing
    crystals
    oscillators
    mirrors

    ASJC Scopus subject areas

    • Atomic and Molecular Physics, and Optics

    Cite this

    Hexagon formation in photorefractive crystals as mirrorless coherent oscillation. / Uesu, Y.; Ueno, A.; Kobayashi, Masakazu; Odoulov, S.

    In: Journal of the Optical Society of America B: Optical Physics, Vol. 15, No. 7, 1998, p. 2065-2069.

    Research output: Contribution to journalArticle

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