supported by the National Natural Science Foundation of China(NSFC)(Grant Nos.9215010612021004,and 11934006);the Innovation Project of Optics Valley Laboratory(No.OVL2021ZD001),the Major Program(JD)of Hubei Province(No.203BAA015);the Cross Research Support Program of Huazhong University of Science and Technology(No.2023JCYJ041).
An ultrafast fiber laser system comprising two coherently combined amplifier channels is reported.Within this system,each channel incorporates a rod-type fiber power amplifier,with individual operations reaching appro...
supported by the National Natural Science Foundation of China(Grant Nos.62105240,62075159,61975146,and 62275190);Shandong Province Key R&D Program(Nos.2020CXGC010104 and 2021CXGC010202);Seed Foundation of Tianjin University(No.2023XPD-0020).
976 nm+1976 nm dual-wavelength pumped Er-doped ZBLAN fiber lasers are generally accepted as the preferred solution for achieving 3.5μm lasing.However,the 2μm band excited state absorption from the upper lasing level...
the Director Fund of State Key Laboratory of Pulsed Power Laser Technology(No.SKL2020ZR02);the Postgraduate Scientifc Research Innovation Project of Hunan Province(No.QL20220007).
In this work,a high-energy and high peak power chirped pulse amplifcation system with near difraction-limited beam quality based on tapered confned-doped fber(TCF)is experimentally demonstrated.The TCF has a core nume...
funded by the National Natural Science Foundation of China(Grant No.62005094);the Natural Science Foundation of Shandong Province(No.ZR2021MF128);the Key research program of Shandong Province(2020JMRH0302);the Industrial Chain Program of Shandong laser Equipment Innovation and Entrepreneurship Community(JGCYL2022-5).
As a member of Xenes family,germanene has excellent nonlinear saturable absorption characteristics.In this work,we prepared germanene nanosheets by liquid phase exfoliation and measured their saturation intensity as 0...
the support from the National Key Research&Development Program(No.2016YFA0201902);Shenzhen Nanshan District Pilotage Team Program(No.LHTD20170006);Australian Research Council(ARC,FT 150100450,IH150100006,and CE170100039);the funding support from China Postdoctoral Science Foundation Grant(No.217M622758).
Heavily doped colloidal plasmonic nanocrystals have attracted great attention because of their lower and adjustable free carrier densities and tunable localized surface plasmonic resonance bands in the spectral range ...
supported by the National Natural Science Foundation of China(Grant No.61605106);Funded projects for the Academic Leader and Academic Backbones,Shaanxi Normal University(No.18QNGG006);Shaanxi International Cooperation Project(No.2020KW-005);Starting Grants of Shaanxi Normal University(Nos.1112010209 and 1110010717);Open Research Fund of State Key Laboratory of Transient Optics and Photonics,Chinese Academy of Sciences(No.SKLST201809);Fundamental Research Funds for the Central Universities(Nos.GK201802006 and 2018CSLY005).
In this paper,we have proposed and demonstrated the generation of passively mode-locked pulses and dissipative soliton resonance in an erbium-doped fiber laser based on Fe3O4 nanoparticles as saturable absorbers.We ob...
This work was supported by the National Natural Science Foundation of China (Grant Nos. 61275083, 61290315).
A theoretical introduction of saturable absorber based on standing-wave saturation effects as a transient fiber Bragg grating (FBG) was presented. The central wavelength of the transient FBG was located in 2 μm. Th...
The project was supported by Open Fund of State Key Laboratory of Information Photonics and Optical Communications (Beijing University of Posts and Telecommunications), the National Natural Science Foundation of China (Grant Nos. 60978007, 61027007 and 61177067)
A novel design of optical sampling system has been developed by using sum-frequency generation (SFG) in a periodically-poled lithium niobate (PPLN) waveguide and using passive mode-locked fiber laser pulses as opt...