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Er-doped Q-switched fiber laser with a black phosphorus/polymethyl methacrylate saturable absorber
Liu, Sicong1,2; Zhang, Yani1; Li, Lu3,5; Wang, Yonggang2; Lv, Ruidong2; Wang, Xi4; Chen, Zhendong2; Wei, Lianglei2
Department瞬态光学技术国家重点实验室
2018-02-20
Source PublicationAPPLIED OPTICS
ISSN1559-128X
Volume57Issue:6Pages:1292-1295
Contribution Rank3
Abstract

A stable Q-switched Er-doped fiber (EDF) laser is successfully obtained by using a black phosphorus (BP)/polymethyl methacrylate (PMMA) film as the saturable absorber (SA). To avoid the oxidization of nanomaterials, the BP nanoparticles are fabricated via a liquid-phase exfoliation method and then embedded into a PMMA film that possesses excellent optical transparency in the selected spectrum range. The modulation depth (MD) of the BP/PMMA film SA is 14.3% and the saturable intensity (I-sat) is 6.9 MW/cm(2). By inserting the BP/PMMA film into the EDF laser cavity, we achieve the stable passive Q-switching operation over the wavelength range from 1561.21 nm to 1564.16 nm. The repetition rate increases from 10.348 kHz to 30.098 kHz, and the pulse duration decreases from 25.01 mu s to 2.98 mu s by altering the pump power from 9 mWto 90 mW. The maximum single pulse energy is 283.91 nJ. To the best of our knowledge, 283.91 nJ is the largest single pulse energy among the Q-switched fiber lasers with BP as the Q-switcher at the 1.5 mu m wavelength region. The experimental results evidently show that the BP/PMMA film SA can work as a promising Q-switcher for large pulse energy fiber lasers. (c) 2018 Optical Society of America

 

Subject AreaOptics
DOI10.1364/AO.57.001292
Indexed BySCI ; EI
Language英语
WOS IDWOS:000425508300002
EI Accession Number20180804829446
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.opt.ac.cn/handle/181661/30763
Collection瞬态光学技术国家重点实验室
Affiliation1.Baoji Univ Arts & Sci, Sch Phys & Optoelect Technol, Baoji 721007, Peoples R China;
2.Shaanxi Normal Univ, Sch Phys & Informat Technol, Xian 710119, Shaanxi, Peoples R China;
3.Xian Inst Posts & Telecommun, Sch Sci, Xian 710121, Shaanxi, Peoples R China;
4.Chinese Acad Sci, Xian Inst Opt & Precis Mech, State Key Lab Transient Opt & Photon, Xian 710119, Shaanxi, Peoples R China;
5.Xian Univ Posts & Telecommun, Shaanxi Key Lab Informat Commun Network & Secur, Xian 710121, Shaanxi, Peoples R China
Recommended Citation
GB/T 7714
Liu, Sicong,Zhang, Yani,Li, Lu,et al. Er-doped Q-switched fiber laser with a black phosphorus/polymethyl methacrylate saturable absorber[J]. APPLIED OPTICS,2018,57(6):1292-1295.
APA Liu, Sicong.,Zhang, Yani.,Li, Lu.,Wang, Yonggang.,Lv, Ruidong.,...&Wei, Lianglei.(2018).Er-doped Q-switched fiber laser with a black phosphorus/polymethyl methacrylate saturable absorber.APPLIED OPTICS,57(6),1292-1295.
MLA Liu, Sicong,et al."Er-doped Q-switched fiber laser with a black phosphorus/polymethyl methacrylate saturable absorber".APPLIED OPTICS 57.6(2018):1292-1295.
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