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Proceedings Paper

Optical and electro-optical properties of H:LiTaO3 waveguides
Author(s): Ivanka T. Savatinova; Svetlen H. Tonchev; T. Popov; Mario Nicola Armenise; E. Liarokapis
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Paper Abstract

A systematic study of the optical parameters and electrooptical coefficient r33 of optical waveguides fabricated by proton exchanged in LiTaO3 substrates has been carried out. Results of direct measurements of the electrooptical coefficient r33 on both as fabricated and annealed planar waveguides are presented. The samples have been annealed in the 265 - 420 degree(s)C range at different cooling rate. It has been found that quick (20 degree(s)C/min) cooling rate leads to different values of refractive index change and r33 coefficient in the exchanged layers than the slow one (1 - 2 degree(s)C/min).

Paper Details

Date Published: 2 May 1994
PDF: 12 pages
Proc. SPIE 2150, Design, Simulation, and Fabrication of Optoelectronic Devices and Circuits, (2 May 1994); doi: 10.1117/12.175000
Show Author Affiliations
Ivanka T. Savatinova, Institute of Solid State Physics (Bulgaria)
Svetlen H. Tonchev, Institute of Solid State Physics (Bulgaria)
T. Popov, Machine Tool Institute (Bulgaria)
Mario Nicola Armenise, Politecnico di Bari (Italy)
E. Liarokapis, National Technical Univ. of Athens (Greece)

Published in SPIE Proceedings Vol. 2150:
Design, Simulation, and Fabrication of Optoelectronic Devices and Circuits
Mario Nicola Armenise, Editor(s)

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