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Transition metal dichalcogenide (WS2 and MoS2) saturable absorbers for Q-switched Er-doped fiber lasers
Li, Lu1,4; Lv, Ruidong2; Liu, Sicong2; Wang, Xi3; Wang, Yonggang2; Chen, Zhendong2; Wang, Jiang2; Li, L (reprint author), Xian Univ Posts & Telecommun, Sch Sci, Xian 710121, Shaanxi, Peoples R China.
Department瞬态光学技术国家重点实验室
2018-05-01
Source PublicationLASER PHYSICS
ISSN1054-660X
Volume28Issue:5
Contribution Rank1
Abstract

This report demonstrates a stable Q-switched Er-doped fiber laser with MoS2 (WS2)-based saturable absorber (SA) in the net normal dispersion regime. The SA is obtained by mixing MoS2 (WS2) nanosheets with polyvinyl alcohol (PVA) into polystyrene cells, and then evaporating them to form MoS2 (WS2)/PVA film. The modulation depth values for MoS2/PVA and WS2/PVA are measured to be 2.7% and 2.1% respectively. Employing the MoS2 (WS2)/PVA film in the Er-doped fiber laser cavity, stable Q-switching operation is achieved with central wavelength of 1560 nm. The shortest pulse durations of the two Q-switched fiber lasers are, respectively, 3.97 and 3.71 mu s, and their maximum single pulse energies are measured to be 131.52 and 126.96 nJ. The experimental results clearly show that MoS2 (WS2) is a promising nonlinear material, and that improvements in Q-switching performance due to two SAs in the net normal dispersion regime might be helpful in the design of fiber lasers.

SubtypeArticle
KeywordFiber Lasers Saturable Absorber Q-switched
Subject AreaOptics
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1088/1555-6611/aab24f
Indexed BySCI ; EI
WOS KeywordTUNGSTEN DISULFIDE ; ABSORPTION ; GRAPHENE
Language英语
WOS Research AreaOptics ; Physics
Funding OrganizationNational Natural Science Foundation of China(61705183) ; Central University special fund basic research and operating expenses(GK201702005)
WOS SubjectOptics ; Physics, Applied
WOS IDWOS:000429895700002
EI Accession Number20182005192680
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.opt.ac.cn/handle/181661/30053
Collection瞬态光学技术国家重点实验室
Corresponding AuthorLi, L (reprint author), Xian Univ Posts & Telecommun, Sch Sci, Xian 710121, Shaanxi, Peoples R China.
Affiliation1.Xian Univ Posts & Telecommun, Sch Sci, Xian 710121, Shaanxi, Peoples R China
2.Shaanxi Normal Univ, Sch Phys & Informat Technol, Xian 710119, Shaanxi, Peoples R China
3.Chinese Acad Sci, State Key Lab Transient Opt & Photon, XIOPM, Xian 710119, Shaanxi, Peoples R China
4.Xian Univ Posts & Telecommun, Shaanxi Key Lab Informat Commun Network & Secur, Xian 710121, Shaanxi, Peoples R China
Recommended Citation
GB/T 7714
Li, Lu,Lv, Ruidong,Liu, Sicong,et al. Transition metal dichalcogenide (WS2 and MoS2) saturable absorbers for Q-switched Er-doped fiber lasers[J]. LASER PHYSICS,2018,28(5).
APA Li, Lu.,Lv, Ruidong.,Liu, Sicong.,Wang, Xi.,Wang, Yonggang.,...&Li, L .(2018).Transition metal dichalcogenide (WS2 and MoS2) saturable absorbers for Q-switched Er-doped fiber lasers.LASER PHYSICS,28(5).
MLA Li, Lu,et al."Transition metal dichalcogenide (WS2 and MoS2) saturable absorbers for Q-switched Er-doped fiber lasers".LASER PHYSICS 28.5(2018).
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