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横向模式可切换的少模环形光纤激光器
Alternative TitleTransverse-Mode Switchable Few-Mode Ring Fiber Lasers
李晓风1; 李哲2; 吴文矛2; 李巨浩1; 任芳3
2020
Source Publication光学学报
ISSN0253-2239
Volume40.0Issue:014Pages:40-45
Abstract

设计一种基于腔内全光纤模式复用器/解复用器(MUX/DEMUX)的少模环形光纤激光器,实现了LP01模、LP11模、LP21模及混合模式可切换的激光输出。实验结果表明,利用低串扰的全光纤模式MUX/DEMUX结合4×1光开关,激光器可在三个最低阶的线偏振(LP)模式及其混合模式之间进行切换,LP01模、LP11模、LP21模的泵浦阈值分别为40、60、80 mW,斜率效率分别为1.2%、0.82%、0.56%。对设计的少模环形光纤激光器结构进行数值模拟和参数优化,极大地改善了波长偏移问题,实现了小于0.032 nm的3 dB线宽。

Other Abstract

A few-mode ring fiber laser based on an all-fiber mode multiplexer/demultiplexer(MUX/DEMUX)was designed,which achieved switchable lasing output in LP01,L P11,LP21,and hybrid modes.Experimental results show that the output lasing mode of the ring fiber laser can be switched between the three lowest-order linearly polarized(LP)modes and hybrid modes by employing a low mode-crosstalk all-fiber mode MUX/DEMUX and a simple 4×1 optical switch.Thresholds of 40,60,and 80 mW and slope efficiencies of 1.2%,0.82%,and 0.56%were obtained for the LP01,LP11,and LP21 mode operations,respectively.Numerical simulation and parameter optimization of the designed few-mode ring fiber laser structure adequately resolved the wavelength shift problem,with a line width of 3 dB less than 0.032 nm being realized.

Keyword光纤光学 光纤激光器 模式复用器/解复用器 模式转换 模式选择耦合器
Indexed ByCSCD
Language中文
CSCD IDCSCD:6776455
Citation statistics
Document Type期刊论文
Version出版稿
Identifierhttp://ir.idsse.ac.cn/handle/183446/8242
Collection外单位在本单位知识产出(本单位资源)_科研项目_其他
Affiliation1.北京大学
2.中国科学院深海科学与工程研究所
3.北京科技大学
Recommended Citation
GB/T 7714
李晓风,李哲,吴文矛,等. 横向模式可切换的少模环形光纤激光器[J]. 光学学报,2020,40.0(014):40-45.
APA 李晓风,李哲,吴文矛,李巨浩,&任芳.(2020).横向模式可切换的少模环形光纤激光器.光学学报,40.0(014),40-45.
MLA 李晓风,et al."横向模式可切换的少模环形光纤激光器".光学学报 40.0.014(2020):40-45.
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