Passively Q-switched wavelength-tunable 1-μm fiber lasers with tapered-fiber-based black phosphorus saturable absorbers

被引：21

作者：

Song, Huaqing ^{[1
]}

Wang, Qi ^{[1
]}

Wang, Dongdong ^{[1
]}

Li, Li ^{[1
,2
]}

机构：

[1] Nanjing Univ Sci & Technol, Sch Elect & Opt Engn, Nanjing 210094, Jiangsu, Peoples R China

[2] Nanjing Univ Sci & Technol, Adv Launching Cooperat & Innovat Ctr, Nanjing 210094, Jiangsu, Peoples R China

来源：

RESULTS IN PHYSICS | 2018年 / 8卷

基金：

中国国家自然科学基金;

关键词：

Passively Q-switched laser; Black phosphorus; Taper fiber; Ytterbium-doped fiber laser; Sagnac fiber loop; GRAPHENE; MICROFIBER;

D O I：

10.1016/j.rinp.2017.12.020

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this paper, we demonstrated passively Q-switched wavelength-tunable 1-mu m fiber lasers utilizing few-layer black phosphorus saturable absorbers. The few-layer BP was deposited onto the tapered fibers by an optically driven process. The wavelength tunability was achieved with a fiber Sagnac loop comprised of a piece of polarization maintaining fiber and a polarization controller. Stable Q-switching laser operations were observed at wavelengths ranging from 1040.5 to 1044.6 nm at threshold pump power of 220 mW. Maximal pulse energy of 141.27 nJ at a repetition rate of 63 kHz was recorded under pump power of 445 mW. (C) 2017 The Authors. Published by Elsevier B.V.

引用

页码：276 / 280

页数：5

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