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National Natural Science Foundation of China(61905018);Fundamental Research Funds for the Central Universities(ZDYY202102);Beijing Nova Program of Science and Technology(Z191100001119110);State Key Laboratory of Information Photonics and Optical Communications(IPOC2021ZR02);BUPT Excellent Ph.D.Students Foundation(CX20241034)。
Resonant metasurfaces provide a promising solution to overcome the limitations of nonlinear materials in nature by enhancing the interaction between light and matter and amplifying optical nonlinearity.In this paper,w...
National Natural Science Foundation of China(62005295);National Key Research and Development Program of China(2016YFB0402103).
We report the first demonstration on three types of 1.3 μm spectral region in a Q-switched Nd:YAG laser. In order to dissipate the heat deposition effectively to obtain good beam quality, the Nd:YAG rod crystal with ...
National Natural Science Foundation of China(61421002,61435003,61605106,61722503);Fundamental Research Funds for the Central Universities(ZYGX2019Z012);Joint Fund of Ministry of Education for Equipment Pre-research(6141A02033411);Field Funding for Equipment Pre-research(61404140106,1114180106A)。
We demonstrate for the first time to our knowledge the use of Fe3O4 nanoparticles for Q-switching a tunable midinfrared(Mid-IR)Dy^3+-doped ZBLAN fiber laser around 3μm.The Q-switcher was fabricated by depositing the ...
National Natural Science Foundation of China(NSFC)(61722503,61421002,61435003);Open Fund of Science and Technology on Solid-State Laser Laboratory;Joint Fund of Ministry of Education for Equipment PreResearch(6141A02033411);Field Funding for Equipment Pre-Research(1114180106A)
We report the first(to the best of our knowledge) tunable passively Q-switched Er3+-doped ZrF4 fiber laser around 3.5 μm. In this case, a Fe2+:ZnSe crystal is used as the saturable absorber, and a plane-ruled grating...
National Natural Science Foundation of China(NSFC)(51402133,51802142,61603160,61775088);Postgraduate Research Practice Innovation Program of Jiangsu Province(KYCX18_2096,KYCX18_2097,KYCX18_2098,KYCX18_2099);Special Project for Technology Innovation of Xuzhou City(KC16GZ014,KC16HQ236,KC16HQ237);Priority Academic Program Development of Jiangsu Higher Education Institutions(GRCK2017042411005977);Key Research and Development Project of Jiangsu Province(BE2018062,BE2019112)
The Cr4+-doped yttrium aluminum garnet(Cr4+:YAG) saturable absorber, a new generation of passively Q-switched solid-state laser material, faces a significant obstacle of low conversion rate of chromium from trivalent ...
National Basic Research Program of China(2013CBA01505);National Natural Science Foundation of China(NSFC)(11721091,61675130);National Postdoctoral Program for Innovative Talents(BX20170149);China Postdoctoral Science Foundation(2017M620150)
In past years, rare-earth-doped fluoride fiber lasers(FFLs) have developed rapidly in the mid-infrared(mid-IR)region. However, due to the lack of fiber optic devices and challenge of fluoride fiber splicing, most mid-...
National Natural Science Foundation of China(NSFC)(11174159,11304166,61405139,61475076);Natural Science Foundation of Tianjin City(14JCYBJC16400);International Cooperation Program sponsored by Ministry of Education of the People’s Republic of China(MOE);Chinese National Key Basic Research Special Fund(2011CB922003);National Science Fund for Talent Training in Basic Sciences(J1103208)
We report a passively Q-switched and mode-locked erbium-doped fiber laser(EDFL) based on PtSe_2, a new two-dimensional material, as a saturable absorber(SA). Self-started Q-switching at 1560 nm in the EDFL was achieve...
National Natural Science Foundation of China(NSFC)(51321091,61505098,61575110,61675116);Young Scholars Program of Shandong University(SDU)(2017WLJH48)
Rhenium disulfide (ReS2), a member of group VII transition metal dichalcogenides (TMDs), has attracted increasing attention because of its unique distorted 1T structure and electronic and optical properties, which...
National Natural Science Foundation of China(NSFC)(11474132,61378004,61527823,61605058,61605219);Natural Science Foundation of Jilin Province(20160520085JH);Key Technology Research and Development Project of Jilin Province(20180201120GX);Major Science and Technology Tendering Project of Jilin Province(20170203012GX);Joint Foundation from Equipment Pre-research and Ministry of Education(6141A02022413);Outstanding Young Talent Fund Project of Jilin Province(20180520188JH)
In this paper, we propose and demonstrate an all-fiber passively Q-switched erbium doped fiber laser (EDFL) by using gold nanostars (GNSs) as a saturable absorber (SA) for the first time, to the best of our know...
National Natural Science Foundation of China(NSFC)(61378029,61775053,51572053,51777046);Science Foundation for Outstanding Youths of Heilongjiang Province(JC2016016);Science Foundation for Youths of Heilongjiang Province(QC2017078)
The active/passive Q-switching operation of a 2 [tm a-cut Tm,Ho:YAP laser was experimentally demonstrated with an acousto-optical Q-switch/MoS2 saturable absorber mirror. The active Q-switch laser was operated for th...