Design of large-mode-area amplifier fibers resistant to bend-induced distortion

被引：53
作者：
Fini, John M. [1 ]
机构：
[1] OFS Labs, Somerset, NJ 08873 USA
来源：
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS | 2007年 / 24卷 / 08期
关键词：
D O I：
10.1364/JOSAB.24.001669
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
As fiber amplifiers and lasers achieve higher power, gain fiber designs are pushing toward extremely large-mode area. In this regime, bend-induced distortion of fiber modes becomes large and can severely impact amplifier performance. Previous results describing bend-induced reduction of effective area are reviewed and extended with a numerical analysis of how bend distortion impacts interaction with the gain. Distortion-resistant designs such as the parabolic fiber are shown to substantially improve gain-interaction indicators as well as all other performance metrics simulated, and are predicted to dramatically outperform step-index fibers. (c) 2007 Optical Society of America.
引用
收藏
页码：1669 / 1676
页数：8
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