Buried optical waveguides in LiNbO3 and LiTaO3 prepared by reverse proton exchange

Yuri N. Korkishko; Vyacheslav A. Fedorov; Andrey V. Kondrat'ev

doi:10.1117/12.229966

10 January 1996 Buried optical waveguides in LiNbO₃ and LiTaO₃ prepared by reverse proton exchange

Yuri N. Korkishko, Vyacheslav A. Fedorov, Andrey V. Kondrat'ev

Proceedings Volume 2695, Functional Photonic and Fiber Devices; (1996) https://doi.org/10.1117/12.229966
Event: Photonics West '96, 1996, San Jose, CA, United States

Abstract

In this paper, we show how the recently plotted phase diagrams of the HLi1NbO3 and HLi1TaO3 waveguiding layers on top of a crystal of a given orientation allows to understand, and thus to control, the reverse proton exchange (RPE) process in lithium niobate and lithium tantalate crystals to make buried waveguides for extraordinary polarization modes and surface waveguides, supporting ordinary polarization modes. The relationships between ordinary and extraordinary refractive index changes for different crystalline phases in HLi1.NbO3 and HLi1TaO3 systems have been obtained. Keywords: lithium niobate, lithium tantalate, reverse proton exchange, optical waveguides

Citation Download Citation

Yuri N. Korkishko, Vyacheslav A. Fedorov, and Andrey V. Kondrat'ev "Buried optical waveguides in LiNbO₃ and LiTaO₃ prepared by reverse proton exchange", Proc. SPIE 2695, Functional Photonic and Fiber Devices, (10 January 1996); https://doi.org/10.1117/12.229966

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