Investigation of LiNbO3 waveguide fabricated by helium implantation and combined proton and copper exchange

Marina N. Frolova; Y. M. Larionov; Stanislav M. Shandarov; Sergey M. Kostritskii; Paul Moretti

doi:10.1117/12.545832

3 December 2003 Investigation of LiNbO₃ waveguide fabricated by helium implantation and combined proton and copper exchange

Marina N. Frolova, Y. M. Larionov, Stanislav M. Shandarov, Sergey M. Kostritskii, Paul Moretti

Author Affiliations +

Proceedings Volume 5257, Ninth International Conference on Nonlinear Optics of Liquid and Photorefractive Crystals; (2003) https://doi.org/10.1117/12.545832
Event: 2003 Chapter books, 2003, Bellingham, WA, United States

Abstract

We report an experimental observation of propagation of light in waveguide formed on Y-cut LiNbO₃ crystal by helium implantation and combined proton and copper exchange. The buffer layer formed in result of ion implantation enjoys depolarization properties and provides intermode energy exchange. The parameters of this buffer layer is defined from mode spectroscopy. Mode diffraction on the 2-D grating-like periodical structure formed by defects of layer is observed. Appearance of such defects we explain by features of copper-doped helium-implanted optical LiNbO₃ waveguide fabrication process.

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Marina N. Frolova, Y. M. Larionov, Stanislav M. Shandarov, Sergey M. Kostritskii, and Paul Moretti "Investigation of LiNbO₃ waveguide fabricated by helium implantation and combined proton and copper exchange", Proc. SPIE 5257, Ninth International Conference on Nonlinear Optics of Liquid and Photorefractive Crystals, (3 December 2003); https://doi.org/10.1117/12.545832

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