Quasi-phase-matched adhered ridge waveguide in LiNb O3

Sunao Kurimura*, Yuji Kato, Masayuki Maruyama, Yusuke Usui, Hirochika Nakajima

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    126 Citations (Scopus)


    Uniform periodically poled domains were demonstrated in an insulator-sandwiched structure with z -cut lithium niobate wafers for an adhered ridge waveguide. Efficient quasi-phase-matched second harmonic generation was achieved in a mechanically defined ridge waveguide. Strong confinement in the waveguide produced second-harmonic-generation normalized conversion efficiency of 370%W cm2 in the 1.5 μm wavelength region.

    Original languageEnglish
    Article number191123
    JournalApplied Physics Letters
    Issue number19
    Publication statusPublished - 2006

    ASJC Scopus subject areas

    • Physics and Astronomy (miscellaneous)


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