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(No.2020JMRH0302);the Industrial Chain Program of Shandong Laser Equipment Innovation and Entrepreneurship Community(No.JGCYL2022-5);the Research Fund of University of Jinan(No.XKY1739).
Stable picosecond dissipative soliton pulses were observed in an ytterbium-doped fber laser employing a high-quality mixture of BP/SnSe_(2)-PVA saturable absorber(SA).The modulation depth,saturation intensity,and non-...
This research was sponsored by the Research Council of Lithuania under contract S-MIP-21-30.Two of the authors are grateful for NATO SPS G5734 fellowships.
We present a compact and cost-effective mJ-level femtosecond laser system operating at a center wavelength of approximately 2.15μm.An affordable two-stage ytterbium-doped yttrium aluminum garnet(Yb:YAG)chirped pulse ...
Engineering and Physical Sciences Research Council(EP/N00762X/1,EP/P027644/1,EP/P030181/1,EP/T019441/1);H2020 European Research Council(802682);China Scholarship Council(202006840003);Guangdong Introducing Innovative and Entrepreneurial Teams of“The Pearl River Talent Recruitment Program”(2021ZT09X044)
Higher-order Poincarésphere(HOPS) beams with spatially variable polarization and phase distributions are opening up a host of unique applications in areas ranging from optical communication to microscopy.However, the...
the Fundamental Research Funds for the Central Universities(Grant Nos.YJ201979&YJ201982);Sichuan Science and Technology Program(Grant No.2019YJ0530);Sichuan Provincial Project for Outstanding Young Science and Technology Scholars(Grant No.2020JDJQ0024)。
In this paper, we propose an ultra-high speed random bit generator without the time-delay signature based on an ytterbium-doped random fiber laser(YRFL) with Rayleigh scattering feedback. The spectrum of the YRFL has ...
This work is partially supported by the Fundacao para a Ciencia e a Tecnologia(grant agreement No.PD/BD/135222/2017);has been carried out within the framework of Laserlab-Portugal(National Roadmap of Research Infrastructures,22124);the European Union Horizon 2020 research and innovation program under grant agreement No.654148 Laserlab-Europe.
We address the power scaling issue in end-pumped laser rod amplifiers by studying,experimentally and numerically,the magnitude of thermal lensing in a high-energy diode-pumped Yb:YAG crystal.The spatio-temporal temper...
financially supported by the National High Technology Research and Development Program of China(No.2016YFB0402201)
A large-mode-area(LMA) ytterbium-doped photonic crystal fiber(PCF) with core NA of 0.034 and core diameter of 50 μm was made by the stack-and-draw technique. The core is formed by Yb3+/Al3+/F-/P5+ co-doped silica...
supported by the National Basic Research Program of China(No.2011CB808101);the Chinese Academy of Science;the National Natural Science Foundation of China(Nos.11127901,10734080,61221064,60908008,and 61078037)
A mode-locked(ML)picosecond ytterbium-doped thin disk laser using a monolayer Mo S2as the saturable absorber(SA)is demonstrated.The monolayer MoS2 is fabricated through the method of low-pressure chemical vapor de...
Supported by the PPP Grant Scheme of University of Malaya under Grant No PG098-2014B
We demonstrate the generation of passive mode-locked double-clad ytterbium-doped fiber laser operating in a 1-micron region. We prepare the saturable absorber from commercial crystal of molybdenum disulphide (MoS2 )...
supported by the National Natural Science Foundation of China(No.61007029);the National High Technology Research and Development Program of China(No.2013AA031501);the Projects of Zhejiang Province in China(No.2010R50007);the Program for Science and Technology Innovative Research Team in Zhejiang Normal University
A switchable and tunable ytterbium-doped fiber ring laser(YDFL) is reported and demonstrated. Employing a Sagnac loop mirror fabricated by an 85-cm-long polarization-maintaining fiber(PMF), the proposed YDFL can opera...