Stitched long-period fiber gratings for gain-flattening of broadband EDFAs

被引：0
|
作者：
Chen, XW [1 ]
Zhang, AP [1 ]
He, SL [1 ]
Tam, HY [1 ]
机构：
[1] Zhejiang Univ, Dept Opt Engn, Ctr Opt & Electromagnet Res, Hangzhou 310027, Zhejiang, Peoples R China
来源：
PASSIVE COMPONENTS AND FIBER-BASED DEVICES, PTS 1 AND 2 | 2005年 / 5623卷
关键词：
long-period fiber gratings; erbium-doped fiber amplifier; gain flattening; genetic algorithm;
D O I：
10.1117/12.576799
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
In this paper, we report the optimal designs of stitched long-period fiber gratings (SLPGs) for gain-flattening of broadband erbium-doped fiber amplifiers (EDFAs) by using the genetic algorithm. Two measured gain spectra with bandwidth of 50nm and 80nm have been flattened within +/-0.64dB and +/-0.73dB, respectively, by using optimally designed SLPG devices. Such an SLPG device possesses not only a flexible spectrum-shaping capability, but also a simple index-modulation profile suitable for practical implementation. The point-by-point grating writing technique is employed to demonstrate the fabrication of the designed SLPG filters.
引用
收藏
页码：1021 / 1028
页数：8
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