期刊
ELECTRONICS LETTERS
卷 36, 期 16, 页码 1408-1409出版社
IEE-INST ELEC ENG
DOI: 10.1049/el:20001014
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The authors demonstrate both theoretically and experimentally that light coupling can take place effectively between two parallel identical long-period optical fibre gratings. In principle, a high coupling efficiency (up to a few tens percent) is possible by using proper grating designs and an index-matching external medium. This coupling mechanism shows great promise for the development of all-fibre optical devices, such as add/drop multiplexers and tunable couplers.
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