Generation of 131 fs mode-locked pulses from 2.8 μm Er:ZBLAN fiber laser

被引：45
|
作者：
Gu, Hongan [1 ]
Qin, Zhipeng [1 ]
Xie, Guoqiang [1 ]
Hai, Ting [1 ]
Yuan, Peng [1 ]
Ma, Jingui [1 ]
Qian, Liejia [1 ]
机构：
[1] Shanghai Jiao Tong Univ, Collaborat Innovat Ctr IFSA CICIFSA, Sch Phys & Astron, Key Lab Laser Plasmas,Minist Educ, Shanghai 200240, Peoples R China
来源：
CHINESE OPTICS LETTERS | 2020年 / 18卷 / 03期
基金：
中国国家自然科学基金;
关键词：
generation; mode-locked pulses; Er:ZBLAN fiber; BLACK PHOSPHORUS; ELECTRONS; POWER;
D O I：
10.3788/COL202018.031402
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We demonstrated a femtosecond mode-locked Er:ZrF4-BaF2-LaF3-AlF3-NaF (Er:ZBLAN) fiber laser at 2.8 mu m based on the nonlinear polarization rotation technique. The laser generated an average output power of 317mW with a repetition rate of 107 MHz and pulse duration as short as 131 fs. To the best of our knowledge, this is the shortest pulse generated directly from a mid-infrared mode-locked Er:ZBLAN fiber laser to date. Numerical simulation and experimental results confirm that reducing the gain fiber length is an effective way to shorten the mode-locked pulse duration in the Er:ZBLAN fiber laser. The work takes an important step towards sub-100-fs mid-infrared pulse generation from mode-locked Er:ZBLAN fiber lasers.
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页数：5
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