Coupling length adjustment for an optical directional coupler by loading a metal film
作者:
Osamu Mikami,
Juichi Noda,
期刊:
Applied Physics Letters
(AIP Available online 1978)
卷期:
Volume 33,
issue 10
页码: 856-858
ISSN:0003-6951
年代: 1978
DOI:10.1063/1.90213
出版商: AIP
数据来源: AIP
摘要:
A simple method for realizing the desired light coupling for an optical directional coupler is presented. This method consists of loading a metal film on one of the waveguides in the undesired coupling region. The effective coupling length, fabricated inc‐plate LiNbO3, could be changed from 0 to 3L0(L0: 0‐dB coupling length) by controlling the length of the metal film.
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