All-fiber tunable bandpass filter based on cascaded twin-core fiber

被引：5
|
作者：
Lin, Ganbin [1 ]
Dong, Xiaopeng [1 ]
机构：
[1] Xiamen Univ, Inst Lightwave Technol, Sch Informat Sci & Technol, Xiamen 361005, Fujian, Peoples R China
来源：
APPLIED OPTICS | 2011年 / 50卷 / 36期
基金：
中国国家自然科学基金;
关键词：
D O I：
10.1364/AO.50.006667
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
An all-fiber tunable bandpass filter (TBPF) based on cascaded twin-core fiber (TCF) is theoretically analyzed and experimentally demonstrated. The spectrum of this proposed TBPF can be easily adjusted by bending, twisting, stretching, or changing the length of TCF to achieve the required filter parameters. In the example of a TBPF fabricated with TCF, the center wavelength can be tuned from 1540.8 to 1557.8 nm, while the full width at half-maximum bandwidth of the filter maintains around 6.5 nm. (C) 2011 Optical Society of America
引用
收藏
页码：6667 / 6670
页数：4
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