Cascaded third harmonic generation in lithium niobate nanowaveguides

Alexander S. Solntsev, Andrey A. Sukhorukov, Dragomir N. Neshev, Rumen Iliew, Reinhard Geiss, Thomas Pertsch, Yuri S. Kivshar

    Research output: Contribution to journalArticlepeer-review

    20 Citations (Scopus)


    We predict highly efficient third harmonic generation through simultaneous phase-matching of second-harmonic generation and sum-frequency generation in lithium niobate nanowaveguides, enabled due to strong modal dispersion. We demonstrate that the waveguide size which corresponds to phase-matching is also optimal for highest mode confinement and therefore for strongly enhanced conversion efficiency.

    Original languageEnglish
    Article number231110
    JournalApplied Physics Letters
    Issue number23
    Publication statusPublished - 6 Jun 2011


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