ASE Suppression in Backward-Pumped Er/Yb Double-Cladding Fiber Amplifier via Cladding Feedback

被引：1
|
作者：
Bai, Xiaolei [1 ]
Sheng, Quan [1 ]
Fu, Shijie [1 ]
Zhang, Haiwei [1 ]
Cao, Yang [1 ]
Xie, Zhaoxin [1 ]
Shi, Wei [1 ]
Yao, Jianquan [1 ]
机构：
[1] Tianjin Univ, Coll Precis Instrument & Optoelect Engn, Tianjin 300072, Peoples R China
来源：
IEEE PHOTONICS JOURNAL | 2016年 / 8卷 / 06期
基金：
中国国家自然科学基金;
关键词：
Amplified spontaneous emission (ASE) suppression; cladding feedback; Erbium-Ytterbium; laser amplifiers; fiber laser; L-BAND EDFA; SINGLE-FREQUENCY; HIGH-POWER; LASER; MOPA; COMMUNICATION; CONVERSION; NM;
D O I：
10.1109/JPHOT.2016.2615764
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We demonstrate a backward-pumped 1550 nm narrow-linewidth Erbium-Ytterbium double-cladding fiber amplifier with amplified spontaneous emission (ASE) suppression. Compared with the typical backward-pumped amplifier without feedback, the ASE power can be suppressed by over 2 dB by cladding feedback without other filters. The slope efficiency is 23.2%, which only decreased by 0.4%. The linewidth and relative intensity noise of 4.51 kHz and -92 dBm/Hz are also compared with those of the typical backward-pumped amplifier without feedback.
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收藏
页数：7
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