DocumentCode
858502
Title
Low-crosstalk 1*2 optical switch composed of twisted nematic liquid crystal cells
Author
Fujii, Yohji
Author_Institution
NTT Transmission Syst. Lab., Kanagawa, Japan
Volume
5
Issue
2
fYear
1993
Firstpage
206
Lastpage
208
Abstract
A low-crosstalk structure for a 1*2 optical switch using twisted nematic liquid crystal (TN-LC) cells is proposed. Low crosstalk can be obtained by using a walkoff polarizing beam splitter between two TN-LC cells mutually controlled in opposite states. A 1*2 polarization-independent optical switch is assembled using single-mode fibers. Its insertion loss and crosstalk, in both switching modes, are >
Keywords
crosstalk; light polarisation; liquid crystal devices; nematic liquid crystals; optical elements; optical losses; optical switches; 1*2 optical switch; 1.6 dB; 37.1 dB; insertion loss; low-crosstalk structure; polarization-independent optical switch; single-mode fibers; switching modes; twisted nematic liquid crystal cells; walkoff polarizing beam splitter; Assembly; Azimuth; Crosstalk; Insertion loss; Liquid crystals; Optical fiber communication; Optical fiber polarization; Optical losses; Optical polarization; Optical switches;
fLanguage
English
Journal_Title
Photonics Technology Letters, IEEE
Publisher
ieee
ISSN
1041-1135
Type
jour
DOI
10.1109/68.196006
Filename
196006
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