Optical and electro-optical properties of H:LiTaO3 waveguides

Ivanka T. Savatinova; Svetlen H. Tonchev; T. Popov; Mario Nicola Armenise; E. Liarokapis

doi:10.1117/12.175000

2 May 1994 Optical and electro-optical properties of H:LiTaO3 waveguides

Ivanka T. Savatinova, Svetlen H. Tonchev, T. Popov, Mario Nicola Armenise, E. Liarokapis

Proceedings Volume 2150, Design, Simulation, and Fabrication of Optoelectronic Devices and Circuits; (1994) https://doi.org/10.1117/12.175000
Event: OE/LASE '94, 1994, Los Angeles, CA, United States

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).

Citation Download Citation

Ivanka T. Savatinova, Svetlen H. Tonchev, T. Popov, Mario Nicola Armenise, and E. Liarokapis "Optical and electro-optical properties of H:LiTaO3 waveguides", Proc. SPIE 2150, Design, Simulation, and Fabrication of Optoelectronic Devices and Circuits, (2 May 1994); https://doi.org/10.1117/12.175000

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