Anisotropic two- and four-wave mixing in planar LiTaO₃:Ti:Fe optical waveguides
Publication date
1994
Document type
Research article
Author
Organisational unit
Universität Osnabrück
Scopus ID
Publisher
Soc.
Series or journal
Journal of the Optical Society of America : JOSA B, Optical physics
ISSN
Periodical volume
11
Periodical issue
9
First page
1736
Last page
1742
Part of the university bibliography
Nein
Language
English
Abstract
We report on anisotropic wave mixing in planar iron-doped titanium-indiffused LiTaO₃ waveguides. The diffusion of titanium in Y-cut LiTaO₃ is investigated for different temperatures and diffusion times, yielding the diffusion constant. Material properties of the waveguides such as conductivity and nondiagonal photovoltaic tensor elements are investigated by two-wave mixing of orthogonally polarized modes. Phase conjugation in waveguides by anisotropic four-wave mixing is demonstrated, too, and experimental results are compared with numerical solutions of the corresponding system of coupled-wave equations. © 1994 Optical Society of America.
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