National Key Research and Development Program of China(2021YFB2800602);National Natural Science Foundation of China(62127805);Fundamental Research Funds for the Central Universities(2242022k60006);Open Research Fund of Key Laboratory of All Optical Network and Advanced Telecommunication Network,Ministry of Education,Beijing Jiaotong University(AON2024K02).
Frequency-modulated continuous-wave(FMCW)light sources are essential components for coherent light detection and ranging(LiDAR),which is ubiquitously utilized in autonomous driving,industrial monitoring,and geological...
supported by the National Key R&D Program of China(No.2020YFB2205804);the National Natural Science Foundation of China(No.62075240)。
The optical frequency comb has attracted considerable interest due to its diverse applications in optical atomic clocks,ultra-low-noise microwave generation,dual-comb spectroscopy,and optical communications.The merits...
National Key Research and Development Program of China(2021YFB2800400);National Natural Science Foundation of China(12204021,62105008,62235002,62235003,62322501,8200908114);Beijing Municipal Science and Technology Commission(Z221100006722003);Natural Science Foundation of Beijing Municipality(Z210004);Nantong Municipal Science and Technology Bureau(JB2022008,JC22022050);China Postdoctoral Science Foundation(2021T140004).
Self-injection locking has emerged as a crucial technique for coherent optical sources,spanning from narrow linewidth lasers to the generation of localized microcombs.This technique involves key components,namely a la...
supported by the National Natural Science Foundation of China(Nos.11804348,11775056,11975154 and 11991074);the Science Challenge Project(No.TZ2018005).X.F.Li was also supported by the Shanghai Pujiang Program(No.23PJ1414600)。
Polarized electron beam production via laser wakefield acceleration in pre-polarized plasma is investigated by particlein-cell simulations.The evolution of the electron beam polarization is studied based on the Thomas...
National Key Research and Development Program of China(2021YFB2800400);National Natural Science Foundation of China(12204021,62105008,62235002,62235003,62322501,8200908114);Beijing Municipal Science and Technology Commission(Z221100006722003);Natural Science Foundation of Beijing Municipality(Z210004);Nantong Municipal Science and Technology Bureau(JB2022008,JC22022050);China Postdoctoral Science Foundation(2021T140004)。
Self-injection locking has emerged as a crucial technique for coherent optical sources,spanning from narrow linewidth lasers to the generation of localized microcombs.This technique involves key components,namely a la...
funded by ERC grant PISSARRO(ERC-2017-CoG 771647).
Second-harmonic generation allows for coherently bridging distant regions of the optical spectrum,with applications ranging from laser technology to self-referencing of frequency combs.However,accessing the nonlinear ...
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...
The results presented in Sections 2.5 and 3.2 were obtained with the support of the Russian Science Foundation(project 22-22-00872);The results presented in Sections 2.3,3.4 and 4 were obtained with the support of the Russian Science Foundation(Project 20-12-00344);Y.-H.L.acknowledges support from the China Postdoctoral Science Foundation(Grant No.2022M721482);W.L.acknowledges support from the National Natural Science Foundation of China(Grant No.62075233);the CAS Project for Young Scientists in Basic Research(Grant No.YSBR-69);J.L.acknowledges support from the National Natural Science Foundation of China(Grant No.12261131503);Shenzhen−Hong Kong Cooperation Zone for Technology and Innovation(HZQB-KCZYB2020050);from the Guangdong Provincial Key Laboratory(2019B121203002).
The stabilization and manipulation of laser frequency by means of an external cavity are nearly ubiquitously used in fundamental research and laser applications. While most of the laser light transmits through the cav...
National Key Research and Development Program of China(2018YFB2201802);National Natural Science Foundation of China(61771285).
A hybrid integrated low-noise linear chirp frequency-modulated continuous-wave(FMCW)laser source with a wide frequency bandwidth is demonstrated.By employing two-dimensional thermal tuning,the laser source shows frequ...
Project supported by the National Natural Science Foundation of China(Grant Nos.11147005,61665006,and 61865011);the Natural Science Foundation of Jiangxi Province of China(Grant Nos.20151BAB202018,20161BAB212041,and 20162BCB23012)
The self-injection and acceleration of electrons in a hollow plasma channel driven by ultrashort intense laser pulses is investigated by Particle-in-Cell(PIC) simulations. It is shown that electrons from the bubble sh...