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physics.ins-det2022★ 131 cited
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…
physics.ins-det2019★ 41 cited
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…
physics.ins-det2018★ 1 cited
An ultra-sensitive balanced detector with low noise for continuous-variable quantum key distribution
Qi-Ming Lu, Qi Shen, Yuan Cao +2
A well-balanced detector with high sensitivity and low noise is presented in this paper. The two-stage amplification structure is used to increase electronic gain while keeping an…