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A directional coupler of a vertically installed planar circuit structure

✍ Scribed by Konishi, Y.; Awai, I.; Fukuoka, Y.; Nakajima, M.


Book ID
114552212
Publisher
IEEE
Year
1988
Tongue
English
Weight
594 KB
Volume
36
Category
Article
ISSN
0018-9480

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## 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 s