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Proceedings Paper

Electro-optic MZI modulators, utilizing different phases in proton-exchanged LiTaO3 waveguides
Author(s): S. M. Kostritskii; Yu. N. Korkishko; V. A. Fedorov; R. F. Tavlykaev; R. V. Ramaswamy
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Paper Abstract

Electro-optic Mach-Zehnder interferometric (MZI) modulators have been fabricated by proton exchange in LiTaO3. Electro-optic efficiency of these modulators has been found to be depending on phase composition of HxLi1-xTaO3 waveguide in full accordance with the data of Raman scattering spectroscopy on microscopic contributions in electro-optic effect for the different HxLi1-xTaO3 phases. These spectroscopy data were used to found an appropriate phase composition and, thus, optimize MZI modulators. The experimental samples of MZI modulator fabricated at the optimal technological conditions exhibit the improved electro-optical efficiency with far superior photorefractive resistance compared to the LiNbO3 waveguides and modulators.

Paper Details

Date Published: 30 September 2005
PDF: 8 pages
Proc. SPIE 5956, Integrated Optics: Theory and Applications, 595610 (30 September 2005); doi: 10.1117/12.620459
Show Author Affiliations
S. M. Kostritskii, Moscow Institute of Electronic Technology (Russia)
Yu. N. Korkishko, Moscow Institute of Electronic Technology (Russia)
V. A. Fedorov, Moscow Institute of Electronic Technology (Russia)
R. F. Tavlykaev, Univ. of Florida (United States)
R. V. Ramaswamy, Univ. of Florida (United States)

Published in SPIE Proceedings Vol. 5956:
Integrated Optics: Theory and Applications
Tadeusz Pustelny; Paul V. Lambeck; Christophe Gorecki, Editor(s)

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