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Proceedings Paper

Fabrication of high extinction ratio lithium niobate integrated optical modulators using photorefractive trimming
Author(s): A. Tronev; M. Parfenov; P. Agruzov; I. Ilichev; L. Shamray; A. Shamray
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Paper Abstract

A method for increasing the extinction ratio of integrated optical Mach-Zehnder modulators based on LiNbO3 via the photorefractive effect is proposed. The influence of the photorefractive effect on the X- and Y-splitters of intensity modulators is experimentally studied. An increase in the modulator extinction ratio by 17 dB (from 30 to 47 dB) is obtained. It is shown that fabricated modulators with a high extinction ratio are important for quantum key distribution systems.

Paper Details

Date Published: 23 February 2018
PDF: 5 pages
Proc. SPIE 10535, Integrated Optics: Devices, Materials, and Technologies XXII, 1053527 (23 February 2018); doi: 10.1117/12.2291493
Show Author Affiliations
A. Tronev, Ioffe Institute (Russian Federation)
ITMO Univ. (Russian Federation)
M. Parfenov, Saint-Petersburg State Polytechnical Univ. (Russian Federation)
P. Agruzov, Ioffe Institute (Russian Federation)
I. Ilichev, Ioffe Institute (Russian Federation)
L. Shamray, Saint-Petersburg State Polytechnical Univ. (Russian Federation)
A. Shamray, Ioffe Institute (Russian Federation)
ITMO Univ. (Russian Federation)
Saint-Petersburg State Polytechnical Univ. (Russian Federation)


Published in SPIE Proceedings Vol. 10535:
Integrated Optics: Devices, Materials, and Technologies XXII
Sonia M. García-Blanco; Pavel Cheben, Editor(s)

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