Optical and structural characterization of Z-cut LiNbO sub(3) optical waveguides formed in a mixed proton source

In this paper, the optical and structural characteristics of Z-cut LiNbO sub(3) optical waveguides are experimentally investigated. The waveguides have been fabricated by fully immersing the samples in a closed beaker containing a mixture of benzoic and adipic acid at different concentration ratio....

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Bibliographic Details
Published in:Journal of lightwave technology 2004-01, Vol.22 (3)
Main Authors: Passaro, VMN, Ciminelli, C, Armenise, M N, Savova, I, Jordanov, B, Kircheva, P, Savatinova, I T, Pantchev, B
Format: Article
Language:English
Subjects:
Adipic acid
Diffusion coefficient
Dispersions
Infrared absorption
Melts
Optical waveguides
Phases
Wavelengths
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Summary:In this paper, the optical and structural characteristics of Z-cut LiNbO sub(3) optical waveguides are experimentally investigated. The waveguides have been fabricated by fully immersing the samples in a closed beaker containing a mixture of benzoic and adipic acid at different concentration ratio. The influence of the dilution ratio on crystallographic phases, wavelength dispersion, diffusion coefficient, and index profile has been determined by using infrared absorption spectroscopy and optical characterization. The control of the thickness of guiding layers corresponding to beta sub(1) and beta sub(2) phases can be realized by varying the dilution ratio of the melt.
ISSN:0733-8724
DOI:10.1109/JLT.2004.824520