CsPbBr3 nanocrystal for mode-locking Tm-doped fiber laser

被引：11

作者：

Zhou, Yan ^{[1
]}

Zhang, Renli ^{[2
]}

Li, Xia ^{[2
]}

Kuan, Peiwen ^{[2
]}

He, Dongyu ^{[3
]}

Hou, Jingshan ^{[3
]}

Liu, Yufeng ^{[3
]}

Fang, Yongzheng ^{[3
]}

Liao, Meisong ^{[2
]}

机构：

[1] Shanghai Inst Technol, Sch Sci, Shanghai 201418, Peoples R China

[2] Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Key Lab Mat High Power Laser, Shanghai 201800, Peoples R China

[3] Shanghai Inst Technol, Sch Mat Sci & Engn, Shanghai 201418, Peoples R China

来源：

CHINESE PHYSICS B | 2019年 / 28卷 / 09期

基金：

中国国家自然科学基金;

关键词：

nanocrystal; saturable absorber; mode-locking; fiber laser; BAND SATURABLE ABSORBER; OPTICAL-PROPERTIES; QUANTUM DOTS; ABSORPTION; GENERATION; EMISSION;

D O I：

10.1088/1674-1056/ab327c

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

CsPbBr3 nanocrystal is used as the saturable absorber (SA) for mode-locking Tm-doped fiber laser in a ring fiber cavity. The modulation depth, saturable intensity, and non-saturable loss of the fabricated SA are 14.1%, 2.5 MW/cm(2), and 5.9%, respectively. In the mode-locking operation, the mode-locked pulse train has a repetition rate of 16.6 MHz with pulse width of 24.2 ps. The laser wavelength is centered at 1992.9 nm with 3-dB spectrum width of 2.5 nm. The maximum output power is 110 mW with slope efficiency of 7.1%. Our experiment shows that CsPbBr3 nanocrystal can be used as an efficient SA in the 2-mu m wavelength region.

引用

页数：4

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