EFFECTS OF CONCENTRATION AND CLUSTERS IN ERBIUM-DOPED FIBER LASERS

被引:125
作者
WAGENER, JL [1 ]
WYSOCKI, PF [1 ]
DIGONNET, MJF [1 ]
SHAW, HJ [1 ]
DIGIOVANNI, DJ [1 ]
机构
[1] AT&T BELL LABS,HOLMDEL,NJ 07733
关键词
D O I
10.1364/OL.18.002014
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We report a low-threshold, high-conversion-efficiency erbium-doped fiber laser in a 100-parts-in-10(6) fiber pumped at 1.48 mum. The threshold and efficiency are found to deteriorate noticeably as the erbium concentration is increased. We propose that this is due mostly to rapid cross relaxation between ion pairs or clusters, and through modeling we show that the cluster content increases with concentration.
引用
收藏
页码:2014 / 2016
页数:3
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