基于掺铒光纤啁啾光纤光栅阵列的半开腔随机光纤激光器

Zhaoxin Liu, Jing Yang, Lifeng Bao, Chengrong Shen, Ruifu Huang, Xinyong Dong
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引用次数: 1

摘要

介绍了一种低阈值随机光纤激光器,该激光器基于5 m长的掺铒光纤中写入的弱反射率啁啾光纤布拉格光栅阵列,并在半开腔中结合波长匹配的高反射率光纤布拉格光栅。用980 nm的激光泵浦,获得典型的随机激光辐射,阈值功率仅为4.3 mW,斜率效率为11.2%。
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Half-open cavity random fiber laser based on chirped-fiber Bragg grating array written in erbium-doped fiber
A low-threshold random fiber laser based on an array of weak-reflectivity chirped-fiber Bragg gratings (CFBGs) written in a 5-m-long erbium-doped fiber incorporating with a wavelength-matched high-reflectivity CFBG in a half-open cavity is demonstrated. Pumped with a 980 nm laser, typical random laser radiation is obtained with low threshold power of only 4.3 mW and a slope efficiency of 11.2%.
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