Second-harmonic parametric scattering in ferroelectric crystals with disordered nonlinear domain structures

Jose Trull*, Crina Cojocaru, Robert Fischer, Solomon M. Saltiel, Kestutis Staliunas, Ramon Herrero, Ramon Vilaseca, Dragomir N. Neshev, Wieslaw Krolikowski, Yuri S. Kivshar

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    56 Citations (Scopus)

    Abstract

    We study the second-harmonic (SH) parametric processes in unpoled crystals of Strontium Barium Niobate (SBN) with disordered structures of ferroelectric domains. Such crystals allow for the simultaneous phase matching of several second-order nonlinear processes. We analyze the polarization properties of these parametric processes using two types of generation schemes: quasi-collinear SH generation and transverse SH generation. From our experimental data we determine the ratio of d32 and d33 components of the second order susceptibility tensor and also the statistical properties of the random structure of the SBN crystal.

    Original languageEnglish
    Pages (from-to)15868-15877
    Number of pages10
    JournalOptics Express
    Volume15
    Issue number24
    DOIs
    Publication statusPublished - 26 Nov 2007

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