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Proceedings Paper

High-temperature proton-exchange as an efficient method for fabrication of low-loss LiNbO3 waveguides
Author(s): Yuri N. Korkishko; Vyacheslav A. Fedorov; Oksana Y. Feoktistova; Evgueni A. Baranov; Eugeny M. Paderin
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Paper Abstract

An efficient method, the high temperature proton exchange (HTPE), to fabricate high-quality LiNbO3 optical waveguides is studied. The new proton exchange source, the stearic acid diluted by lithium stearate, is proposed for HTPE process. The known Soft Proton Exchange (SPE) process can be realized by HTPE. THere are no phase transitions when the (alpha) -phase waveguides are fabricated by SPE. This phase presents the same crystalline structure as that of LiNbO3 and, as expected, maintains the excellent nonlinear and electro-optical properties of the bulk material. The kinetics of HTPE is studied.

Paper Details

Date Published: 24 March 2000
PDF: 9 pages
Proc. SPIE 3936, Integrated Optics Devices IV, (24 March 2000); doi: 10.1117/12.379945
Show Author Affiliations
Yuri N. Korkishko, Moscow Institute of Electronic Technology (Russia)
Vyacheslav A. Fedorov, Moscow Institute of Electronic Technology (Russia)
Oksana Y. Feoktistova, Moscow Institute of Electronic Technology (Russia)
Evgueni A. Baranov, Moscow Institute of Electronic Technology (United States)
Eugeny M. Paderin, Moscow Institute of Electronic Technology (Russia)

Published in SPIE Proceedings Vol. 3936:
Integrated Optics Devices IV
Giancarlo C. Righini; Seppo Honkanen, Editor(s)

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