Mode-locked all-fiber laser with high stability based on cobalt oxyfluoride

被引：0

作者：

刘茜美 ^{[1
]}

刘孟丽 ^{[1
]}

王耀荣 ^{[1
]}

黄凯 ^{[1
]}

雷鸣 ^{[1
]}

刘文军 ^{[1
,2
]}

魏志义 ^{[2
]}

机构：

[1] State Key Laboratory of Information Photonics and Optical Communications, School of Science, Beijing University of Posts and Telecommunications

[2] Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences

来源：

Chinese Optics Letters | 2021年 / 19卷 / 08期

关键词：

fiber laser; nonlinear materials; mode-locked fiber laser; saturable absorber;

D O I：

暂无

中图分类号：

TQ138.12 []; TN248 [激光器];

学科分类号：

0817 ; 0803 ; 080401 ; 080901 ;

摘要：

Recent years have witnessed the exploration of fiber laser technology focused on numerous pivotal optoelectronic applications from laser processing and remote sensing to optical communication. Here, using cobalt oxyfluoride(Co OF) as the nonlinear material, a 156 fs mode-locked fiber laser with strong stability is obtained. The rapid thermal annealing technique is used to fabricate the Co OF, which is subsequently transferred to the tapered region of the microfiber to form the effective pulse modulation device. Co OF interacts with the pulsed laser through the evanescent field to realize the intracavity pulse shaping, and then the stable mode-locked pulse is obtained. The mode-locked operation is maintained with the pulse duration of 156 fs and repetition rate of 49 MHz. In addition, the signal-to-noise ratio is about 90 d B. Those experimental results confirm the attractive nonlinear optical properties of Co OF and lay a foundation for the ultrafast application of lowdimensional transition metal oxides.

引用

页码：80 / 83

页数：4

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