Mode-locked fiber laser of 3.5 μm using a single-walled carbon nanotube saturable absorber mirror

被引：10
|
作者：
Wei, Jincheng [1 ]
Li, Peng [1 ]
Yu, Linpeng [1 ]
Ruan, Shuangchen [1 ,2 ]
Li, Keyi [1 ]
Yan, Peiguang [1 ]
Wang, Jiachen [1 ]
Wang, Jinzhang [1 ]
Guo, Chunyu [1 ]
Liu, Wenjun [3 ]
Hua, Ping [4 ]
Lu, Qitao [5 ]
机构：
[1] Shenzhen Univ, Coll Phys & Optoelectron Engn,Shenzhen Key Lab La, Guangdong Higher Educ Inst,Key Lab Adv Opt Prec, Guangdong Prov Key Lab Micro Nano Optomechatron E, Shenzhen 518060, Peoples R China
[2] Shenzhen Technol Univ, Coll New Mat & New Energ, Shenzhen 518118, Peoples R China
[3] Beijing Univ Posts & Telecommun, Sch Sci, State Key Lab Informat Photon & Opt Commun, Beijing 100876, Peoples R China
[4] Univ Southampton, Fac Engn & Phys Sci, Southampton SO17 1BJ, Hants, England
[5] Hans Laser Technol Ind Grp Co Ltd, Shenzhen 518057, Peoples R China
来源：
CHINESE OPTICS LETTERS | 2022年 / 20卷 / 01期
基金：
中国国家自然科学基金;
关键词：
mid-infrared laser; fluoride fiber laser; mode-locked laser; saturable absorber; FEMTOSECOND; GENERATION;
D O I：
10.3788/COL202220.011404
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We report on a mid-infrared fiber laser that uses a single-walled carbon nanotube saturable absorber mirror to realize the mode-locking operation. The laser generates 3.5 mu m ultra-short pulses from an erbium-doped fluoride fiber by utilizing a dual-wavelength pumping scheme. Stable mode-locking is achieved at the 3.5 mu m band with a repetition rate of 25.2 MHz. The maximum average power acquired from the laser in the mode-locking regime is 25 mW. The experimental results indicate that the carbon nanotube is an effective saturable absorber for mode-locking in the mid-infrared spectral region.
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页数：6
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