supported by the National Natural Science Foundation of China(U23A20481,62075004,11804018,62275010);Beijing Municipal Natural Science Foundation(1232027);China Postdoctoral Science Foundation(2022M720347,2024T171115);the International Postdoctoral Exchange Fellowship Program(YJ20220241);the Fundamental Research Funds for the Central Universities.
Miniaturized on-chip spectrometers with small footprints,lightweight,and low cost are in great demand for portable optical sensing,lab-on-chip systems,and so on.Such miniaturized spectrometers are usually based on eng...
supported by the DARPA LUMOS and NIST-on-a-chip programs.X.L.acknowledges supports from Maryland Innovation Initiative.We thank Dr.Ashish Chanana for help with experiments.
Optical parametric oscillation(OPO)in Kerr microresonators can efficiently transfer near-infrared laser light into the visible spectrum.To date,however,chromatic dispersion has mostly limited output wavelengths to>560...
supported by the National Key Research and Development Program of China(2022YFA1205002,2024YFE0101300);National Natural Science Foundation of China(62105151,62175109,U21B2033,62227818,62361136588);Leading Technology of Jiangsu Basic Research Plan(BK20192003);Youth Foundation of Jiangsu Province(BK20210338);Biomedical Competition Foundation of Jiangsu Province(BE2022847);Key National Industrial Technology Cooperation Foundation of Jiangsu Province(BZ2022039);Fundamental Research Funds for the Central Universities(30920032101,30923010206);Fundamental Scientific Research Business Fee Funds for the Central Universities(2023102001);Open Research Fund of Jiangsu Key Laboratory of Spectral Imaging&Intelligent Sense(JSGP202105,JSGP202201).
Lens-free on-chip microscopy is a powerful and promising high-throughput computational microscopy technique due to its unique advantage of creating high-resolution images across the full field-of-view(FOV)of the imagi...
Dirac-vortex microcavity laser based on InAs/InGaAs quantum dots have been experimentally realized on silicon substrate.The topological laser features a large spectral range and high robustness against variations such...
supported by King Abdullah University of Science and Technology(KAUST)Research Funding(KRF)under Award No.ORA-2022-5314;Advanced Research Projects Agency-Energy(ARPA-E)No.DE-AR000067;the U.S.Department of Energy under Contract No.DE-AC04-94AL85000;the American Institute for Manufacturing(AIM)Integrated Photonics.
Stable laser emission with narrow linewidth is of critical importance in many applications,including coherent communications,LIDAR,and remote sensing.In this work,the physics underlying spectral narrowing of self-inje...
supported by UK EPSRC,project QUDOS(EP/TO28475/1);The authors thank CORNERSTONE for providing free access to their first SiN MPW run(funded by the CORNERSTONE 2 project under Grant EP/TO19697/1).
Miniaturization of optical spectrometers is important to enable spectroscopic analysis to play a role in in situ,or even in vitro and in vivo characterization systems.However,scaled-down spectrometers generally exhibi...
supported by National Key R&D Program of China under Grants no.2022YFB2804504;The National Natural Science Foundation of China under Grants nos.62090054,61934003,62105173 and 62105174;Major scientific and technological program of Jilin Province under Grants nos.20200501007GX and 20210301014GX;Program for JLU Science and Technology Innovative Research Team(JLUSTIRT,2021TD-39).
Bessel beam featured with self-healing is essential to the optical sensing applications in the obstacle scattering environment.Integrated on-chip generation of the Bessel beam outperforms the conventional structure by...
National Natural Science Foundation of China(No.52125205,U20A20166,52192614,52102184);National key R&D program of China(2021YFB3200302,2021YFB3200304);Natural Science Foundation of Bejing Municipality(Z180011,2222088);Shenzhen Science and Technology Program(Grant No.KQTD20170810105439418);GuangDong Basic and Applied Basic Research Foundation(2020A1515110740).
Metal halide perovskites possess intriguing optoelectronic properties,however,the lack of precise control of on-chip fabrication of the large-scale perovskite single crystal arrays restricts its application in integra...
supports from the National Key Research and Development Program of China(No.2019YFB2203402);National Natural Science Foundation of China(Nos.92050108 and 62220106001);Guangdong Science and Technology Program International Cooperation Program(No.2021A0505030038);Guangdong Basic and Applied Basic Research Foundation(Nos.2020B1515020037 and 2022B1515020069);Pearl River Talent Plan Program of Guangdong(No.2019QN01X120);Fundamental Research Funds for the Central Universities(No.21621108).
Hydrogen energy is a zero-carbon replacement for fossil fuels.However,hydrogen is highly flammable and explosive hence timely sensitive leak detection is crucial.Existing optical sensing techniques rely on complex ins...