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Fine adjustment of the coupling length of a Ti-diffused LiNbO3 directional coupler with a groove structure

✍ Scribed by Ju-Feng Liu; Yih-Bin Lin; Way-Seen Wang

Publisher: John Wiley and Sons
Year: 2001
Tongue: English
Weight: 113 KB
Volume: 29
Category: Article
ISSN: 0895-2477
DOI: 10.1002/mop.1161

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✦ Synopsis

Abstract

Two kinds of groove structure for shortening and broadening the coupling lengths of Ti:diffused LiNbO~3~ directional couplers are presented. The coupling lengths as functions of the depth, width, and spacing of the grooves were numerically calculated. The results show that the maximum shortening of the coupling length is up to 43%, and the maximum broadening is even larger, depending on the groove depth. © 2001 John Wiley & Sons, Inc. Microwave Opt Technol Lett 29: 301–303, 2001.

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