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113 km Free-Space Time-Frequency Dissemination at the 19th Decimal Instability
Qi Shen, Jian-Yu Guan, Ji-Gang Ren +28
Optical clock networks play important roles in various fields, such as precise navigation, redefinition of "second" unit, and gravitational tests. To establish a global-scale optic…
High detection efficiency silicon single-photon detector with a monolithic integrated circuit of active quenching and active reset
Yu-Qiang Fang, Kai Luo, Xing-Guo Gao +8
Silicon single-photon detectors (SPDs) are key devices for detecting single photons in the visible wavelength range. Photon detection efficiency (PDE) is one of the most important…
Spaceborne low-noise single-photon detection for satellite-based quantum communications
Meng Yang, Feihu Xu, Ji-Gang Ren +9
Single-photon detectors (SPDs) play important roles in highly sensitive detection applications, such as fluorescence spectroscopy, remote sensing and ranging, deep space optical co…
Compact all-fiber polarization-independent up-conversion single-photon detector
Long-Yue Liang, Jun-Sheng Liang, Quan Yao +5
We demonstrate a compact all-fiber polarization-independent up-conversion single-photon detector based on integrated reverse proton exchanged periodically poled lithium niobate wav…
Up-conversion single-photon detectors based on integrated periodically poled lithium niobate waveguides
Fei Ma, Long-Yue Liang, Jiu-Peng Chen +6
We demonstrate up-conversion single-photon detectors based on integrated periodically poled lithium niobate waveguides, which incorporate two mode filters and a directional coupler…
Miniaturized high-frequency sine wave gating InGaAs/InP single-photon detector
Wen-Hao Jiang, Xin-Jiang Gao, Yu-Qiang Fang +7
High-frequency gating InGaAs/InP single-photon detectors (SPDs) are widely used for applications requiring single-photon detection in the near-infrared region such as quantum key d…