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Proceedings Paper

Electrooptic 1*2 switch based on proton-exchanged channel waveguides in LiNbO3
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Paper Abstract

Integrated-optic 1×2 switch utilizing electro-optically controllable Y-fed directional coupler has been fabricated in LiNbO3 substrates with proton exchange technology. Such an integrated-optic switch has the newly designed Y-branching power divider allowing for high switching contrast at the both optical output ports and low driving voltage. To obtain an acceptable value of the interaction-length-to-coupling-length ratio, the novel trimming procedure is proposed. A rather high switching contrast ≥ 23 dB (power extinction ratio) at any output port and 2.5 dB insertion losses were obtained for a device with the 9 mm electrodes length.

Paper Details

Date Published: 1 May 2015
PDF: 7 pages
Proc. SPIE 9516, Integrated Optics: Physics and Simulations II, 951612 (1 May 2015); doi: 10.1117/12.2178370
Show Author Affiliations
S. M. Kostritskii, Optolink RPC (Russian Federation)
Yu. N. Korkishko, Optolink RPC (Russian Federation)
V. A. Fedorov, Optolink RPC (Russian Federation)

Published in SPIE Proceedings Vol. 9516:
Integrated Optics: Physics and Simulations II
Pavel Cheben; Jiří Čtyroký; Iñigo Molina-Fernández, Editor(s)

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