Directional coupling in twin-core photonic bandgap fibers

被引：28
|
作者：
Lægsgaard, J [1 ]
机构：
[1] Tech Univ Denmark, Res Ctr COM, DK-2800 Lyngby, Denmark
来源：
OPTICS LETTERS | 2005年 / 30卷 / 24期
关键词：
D O I：
10.1364/OL.30.003281
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The frequency dependence of the coupling length in a twin-core photonic bandgap fiber is investigated numerically. In contrast to the case of index-guiding fibers, the coupling length exhibits a maximum if the cores are sufficiently well separated. The fiber design proposed is of interest for fabricating broadband tunable couplers. (c) 2005 Optical Society of America
引用
收藏
页码：3281 / 3283
页数：3
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