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  • Cerenkov third-harmonic generation in chi((2)) nonlinear photonic crystal 

    Sheng, Yan; Wang, Wenjie; Shiloh, Roy; Roppo, Vito; Kong, Y.; Arie, Ady; Krolikowski, W. (2011-06-13)
    Open Access
    We report on the observation of Čerenkov emission of a third-harmonic frequency in a two-dimensional nonlinear photonic crystal, where the second-order nonlinearity chi((2)) is spatially modulated by the reversal of ...