High-power,high-efficiency single-mode vertical-cavity surface-emitting lasers(VCSELs)are crucial in the realm of green photonics for high-speed optical communication.However,in recent years,the power and efficiency o...
supported by the National Natural Science Foundation of China (Grant Nos. 12274326 and 12174288);the National Key R&D Program of China (Grant No. 2021YFA1400602)。
We investigate the higher-order topological laser in the two-dimensional(2D) coupled-cavity array. By adding staggered on-site gain and loss to the 2D Hermitian array with a trivial phase, the system will emerge degen...
funded by National Natural Science Foundation of China, grant numbers 62335006, 62274014, 62235016, 61734006, 61835011, 61991430;funded by Key Program of the Chinese Academy of Sciences, grant numbers XDB43000000, QYZDJSSW-JSC027;Beijing Municipal Science & Technology Commission, grant number Z221100002722018
We demonstrated a scheme of phase-locked terahertz quantum cascade lasers(THz QCLs)array,with a single-mode pulse power of 108 mW at 13 K.The device utilizes a Talbot cavity to achieve phase locking among five ridge l...
Project supported by the Natural Science Foundation of Hunan Province of China(Grant No.2021JJ30535)。
The non-Gaussianity of quantum states incarnates an important resource for improving the performance of continuous-variable quantum information protocols.We propose a novel criterion of non-Gaussianity for single-mode...
supported by the National Key R&D Program of China(Nos.2019YFA0705000,2022YFA1404600,and 2022YFA1205100);the National Natural Science Foundation of China(NSFC)(Nos.62122079,12192251,62235019,12334014,12134001,12104159,and 11933005);the Innovation Program for Quantum Science and Technology(No.2021ZD0301403);the Shanghai Municipal Science and Technology Major Project(No.2019SHZDZX01);the Science and Technology Commission of Shanghai Municipality(Nos.21DZ1101500 and 23ZR1481800);the Youth Innovation Promotion Association of Chinese Academy of Sciences(No.2020249);the Engineering Research Center for Nanophotonics&Advanced Instrument,Ministry of Education,East China Normal University(No.2023nmc005)。
We demonstrate single-mode microdisk lasers in the telecom band with ultralow thresholds on erbium-ytterbium co-doped thin-film lithium niobate(TFLN).The active microdisk was fabricated with high-Q factors by photolit...
We have suggested a novel multiport quantum router of single photons with reflection feedback, which is formed by three waveguides coupled with four single-mode microresonators. The single-photon routing probabilities...
supported by the National Science Foundation for Distinguished Young Scholars(No.62205105);the National Natural Science Foundation of China(Nos.61775057,52177141 and 62171185)。
A distributed fiber sensor was fabricated by splicing two single-mode fibers(SMFs)using the few-mode fiber(FMF)technique.A Brillouin optical time domain analysis(BOTDA)system was developed to measure the sensor’s tem...
the support from the National Natural Science Foundation of China (No. 61925506);the Natural Science Foundation of Shanghai (No. 20JC1414605);Hangzhou Science and Technology Bureau of Zhejiang Province (No. TD2020002);the Academic/Technology Research Leader Program of Shanghai (23XD1404500)
Lead halide perovskites have attracted considerable attention as potential candidates for high-performance nano/microlasers,owing to their outstanding optical properties.However,the further development of perovskite m...
Project supported by the Shanghai Municipal Science and Technology Major Project,China(Grant No.2017SHZDZX03)。
We report on a GaSb-based laterally coupled distributed feedback(LC-DFB)laser with Cr gratings operating at 2004 nm for CO_(2)detection application.Butterfly packaged with single-mode fiber pigtailed,the laser diode o...
This paper presents the development of a highly efficient CT-PCF (Core-Tune Photonic Crystal Fiber) with substantial birefringence, tailored for applications in high-bit-rate communication and sensing while minimizing...