Cerenkov-radiation and guided-mode blue second-harmonic generation in four-layer waveguides using organic thin-film crystals

H. Yamamoto, T. Sugiyama, J. Jung, T. Kinoshita, K. Sasaki

    Research output: Contribution to journalArticle

    3 Citations (Scopus)

    Abstract

    Four-layer waveguide devices for second-harmonic generation were investigated by use of a new organic nonlinear optical crystal, isopropyl-4-acetylphenylurea. Blue second-harmonic generation in the form of the Cerenkov-radiation mode and the guided mode (from TEω0 to TE1) was demonstrated with a thin-film crystal of isopropyl-4-acetylphenylurea as a substrate. For the relaxation of the phase-matching condition and improvements in conversion efficiency, the thickness-noncritical phase-matching technique was introduced in the organic-inorganic hybrid four-layer waveguide geometry.

    Original languageEnglish
    Pages (from-to)1831-1837
    Number of pages7
    JournalJournal of the Optical Society of America B: Optical Physics
    Volume14
    Issue number7
    DOIs
    Publication statusPublished - 1997 Jul

    ASJC Scopus subject areas

    • Statistical and Nonlinear Physics
    • Atomic and Molecular Physics, and Optics

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