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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.
Universitat Politècnica de Catalunya. Departament de Física i Enginyeria Nuclear; Universitat Politècnica de Catalunya. DONLL - Dinàmica no lineal, òptica no lineal i làsers
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 ferroelectric domains. We analyze both spatial and polarization properties of the emitted radiation and find the results in agreement with our theoretical predictions.
Peer Reviewed
Àrees temàtiques de la UPC::Física::Física de partícules::Fotons
Čerenkov THG
Photonic crystal
Txerenkov GTH
Cristalls fotònics
info:eu-repo/semantics/publishedVersion
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