Broadband-rejection fiber filters based on long-period fiber gratings

被引：0
|
作者：
Ye, AL [1 ]
Li, XW [1 ]
He, S [1 ]
机构：
[1] Shanghai Jiao Tong Univ, Natl Key Lab Local Opt Fiber Commun Networks & Ad, Shanghai 200030, Peoples R China
来源：
OPTICAL INTERCONNECTS FOR TELECOMMUNICATION AND DATA COMMUNICATIONS | 2000年 / 4225卷
关键词：
long period fiber grating; rejection fiber filter; refractive index modulation;
D O I：
10.1117/12.402659
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Broad band-rejection all fiber filters based on Long Period Fiber Gratings were fabricated by a novel method. Adopting the grating period Lambda =550 mum, and Lambda =610 mum, number of periods N=15 and different heating condition, the two kinds of devices are obtained with different band-rejection peak wavelengths at 1310nm and 1550nm, respectively. The isolation is more than 25 dB. The bandwidth at the 10nm isolation point is over 20nm. The insertion loss is less than 1.2 dB and backward reflection loss is less than -70dB.
引用
收藏
页码：339 / 342
页数：4
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