Threshold characteristics analysis of one-end-pumped Yb3+-doped gain-guided and index-antiguided fiber laser

被引：4
|
作者：
Qu, Yibin [2 ]
Zhu, Yonggang [1 ]
Zhou, Enyu [1 ]
Wei, Wei [1 ,2 ]
Peng, Bo [1 ,2 ]
机构：
[1] Chinese Acad Sci, Xian Inst Opt & Precis Mech, State Key Lab Transient Opt & Photon, Xian 710119, Peoples R China
[2] Nanjing Univ Posts & Telecommun, Inst Adv Mat, Nanjing 210003, Jiangsu, Peoples R China
来源：
OPTICS AND LASER TECHNOLOGY | 2012年 / 44卷 / 03期
基金：
中国国家自然科学基金;
关键词：
Gain guided; Index anti-guided; Analytical solutions; SINGLE-MODE; CORE;
D O I：
10.1016/j.optlastec.2011.09.014
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
An exact analytical expression of the threshold pump power for the one-end-pumped Yb3+-doped gain-guided and index-antiguided (CC-IAG) fiber laser has been obtained by solving the improved rate equations (REs) with the additional leakage losses. The effects of Yb3+ concentration, fiber length, core radius and mirror reflectivity on the threshold pump power are discussed. After optimizing, the results show that the laser threshold of GG-IAG fiber laser can be greatly reduced while maintaining single mode oscillation. Compared to the numerical methods, the analytical expression has easy calculation and distinct results. (C) 2011 Elsevier Ltd. All rights reserved.
引用
收藏
页码：646 / 649
页数：4
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