Resonance enhancement of difference-frequency generation through localized surface plasmon excitation

Xu Fang, Shin Yaginuma, Wakana Kubo, Takuo Tanaka

    研究成果: Article査読

    1 被引用数 (Scopus)

    抄録

    We report the experimental observation of difference-frequency generation in gold nanoparticles under localized surface plasmon excitation. A zero-delay peak is detected in the differential transmission signal for a gold nanoparticle film with a MgF2 overlayer, showing that the energy transfer from pump light to probe light through the difference-frequency generation is resonantly enhanced by the excitation. This peak of differential transmission decreases in strength with higher probe fluences. Both the enhancement and the power dependence of the difference-frequency generation are explained by modeling the localized surface plasmons as a nonlinear Lorentz resonator.

    本文言語English
    論文番号203101
    ジャーナルApplied Physics Letters
    102
    20
    DOI
    出版ステータスPublished - 2013 5 20

    ASJC Scopus subject areas

    • Physics and Astronomy (miscellaneous)

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