Improvement of photorefractive properties of proton-exchanged LiTaO3 waveguides
Autor(en): | Kostritskii, SM Kip, D Kratzig, E |
Stichwörter: | OPTICAL WAVE-GUIDES; Optics; Physics; Physics, Applied | Erscheinungsdatum: | 1997 | Herausgeber: | SPRINGER VERLAG | Journal: | APPLIED PHYSICS B-LASERS AND OPTICS | Volumen: | 65 | Ausgabe: | 4-5 | Startseite: | 517 | Seitenende: | 522 | Zusammenfassung: | Photorefractive planar waveguides in LiTaO3 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. |
ISSN: | 09462171 | DOI: | 10.1007/s003400050306 |
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geprüft am 19.05.2024