Characterization of aperiodic domain structure in lithium niobate by spontaneous parametric down-conversion spectroscopy

A. S. Solntsev, G. Kh Kitaeva, I. I. Naumova, A. N. Penin

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    7 Citations (Scopus)

    Abstract

    We develop a technique for detailed analysis of aperiodically poled crystalline nonlinear transfer functions. The method allows precise evaluation of 1D aperiodic domain structure amplitude spectra. It also allows determining the angle of periodic poling in respect to the crystalline z axis, as well as the dispersion of both ordinary and extraordinary refractive indexes in a broad spectral range. The measurement is non-destructive, and all data can be extracted from two frequency-angular spontaneous parametric down-conversion (SPDC) spectra. The precision of the domain structure analysis for aperiodically poled lithium niobate is increased by an order of magnitude in comparison to previously reported techniques based on spontaneous parametric down-conversion.

    Original languageEnglish
    Article number095702
    JournalLaser Physics Letters
    Volume12
    Issue number9
    DOIs
    Publication statusPublished - 1 Sept 2015

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