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Improvement of photorefractive properties of proton-exchanged LiTaO3 waveguides

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are fabricated by both a proton exchange and a successive copper exchange. The influence of different fabrication steps on the refractive index profile and optical absorption is investigated. The holographic efficiency is determined together with the dark- and photo-conductivity. We show that the photorefractive properties of proton-exchanged LiTaO3 waveguides are considerably improved by the additional copper exchange. It is established that the holographic efficiency depends on the copper content, the phase of the proton-exchanged layer and the light intensity.

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Authors and Affiliations

  1. Department of Physics, Kemerovo State University, 650043 Kemerovo, Russia (Fax: +7-3842/525383; E-mail: root@chsb.kemgu.kemerovo.su), , , , , , RU

    S.M. Kostritskii

  2. Fachbereich Physik, Universität Osnabrück, D-49069 Osnabrück, Germany (Fax: +49-541/9692670; E-mail: dkip@physik.uni-osnabrueck.de), , , , , , DE

    D. Kip & E. Krätzig

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  1. S.M. Kostritskii
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  2. D. Kip
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  3. E. Krätzig
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Received: 3 March 1997

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Kostritskii, S., Kip, D. & Krätzig, E. Improvement of photorefractive properties of proton-exchanged LiTaO3 waveguides . Appl Phys B 65, 517–522 (1997). https://doi.org/10.1007/s003400050306

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  • DOI: https://doi.org/10.1007/s003400050306

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