Second-harmonic imaging of poled silica waveguides

Jesper Arentoft, Kjeld Pedersen, Sergey I. Bozhevolnyi, Martin Kristensen, Ping Yu, Christian Bergenstof Nielsen

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    Abstract

    Electric-field poled silica-based waveguides are characterized by measurements of second-harmonic generation (SHG) and of the linear electro-optic effect (LEO). A SHG scanning technique allowing for high-resolution imaging of poled devices is demonstrated. Scans along the direction of the poling field show that the second-order optical nonlinearity is located near the interface between differently doped glass layers. Both SHG and LEO measurements indicate that the ratio between the main elements of the second-order nonlinear optical susceptibility tensor, chi(33)((2)) and chi(31)((2)), is significantly smaller than three. (C) 2000 American Institute of Physics.
    Original languageEnglish
    JournalApplied Physics Letters
    Volume76
    Issue number1
    Pages (from-to)25-27
    ISSN0003-6951
    DOIs
    Publication statusPublished - 2000

    Bibliographical note

    Copyright (2000) American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics.

    Keywords

    • GLASS

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