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Proceedings Paper

Relationships between crystal lattice parameters and optical properties of proton-exchanged lithium niobate waveguides
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Paper Abstract

It has been shown that the lattice-misfit-induced strains in H:LiNbO3 waveguiding layers strongly modify the phase diagram HNbO3-LiNbO3 obtained for powders. Depending on exchange and annealing conditions and crystal cuts, at least the six phases (alpha) , (beta) -, (gamma) -, (delta) -, (zetz) - and (eta) - HxLi1-xNbO3 can exist in single crystal proton-exchanged layers. The high and low temperature modifications were obtained for (alpha) and (beta) - phases. The relationships between crystal lattice parameters of unstrained HxLi1-xNbO3 solid solutions and extraordinary refractive index change have been experimentally determined for the high and low temperature modifications of (alpha) and (beta) phases in proton-exchanged lithium niobate waveguides.

Paper Details

Date Published: 17 March 1995
PDF: 11 pages
Proc. SPIE 2401, Functional Photonic Integrated Circuits, (17 March 1995); doi: 10.1117/12.205039
Show Author Affiliations
Vyacheslav A. Fedorov, Moscow Institute of Electronic Technology (Russia)
Yuri N. Korkishko, Moscow Institute of Electronic Technology (Russia)

Published in SPIE Proceedings Vol. 2401:
Functional Photonic Integrated Circuits
Mario Nicola Armenise; Ka-Kha Wong, Editor(s)

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