377 citations · 511 across the 11 of their papers we have counts for
11 papers
Photon-number-resolving single-photon detector with a system detection efficiency of 98% and photon-number resolution of 32
Chaomeng Ding, Xingyu Zhang, Jiamin Xiong +8
Efficiently distinguishing photon numbers is a crucial yet challenging technology for various quantum information and quantum metrology applications. While superconducting transiti…
Impact of helium ion irradiation on the thermal properties of superconducting nanowire single-photon detectors
Yi-Yu Hong, Yu-Ze Wang, Wei-Jun Zhang +12
SNSPDs are indispensable for applications ranging from quantum information processing to deep-space optical communications, owing to their high detection efficiency, low dark count…
A free-space coupled, large-active-area superconducting microstrip single-photon detector for photon-counting time-of-flight imaging
Yu-Ze Wang, Wei-Jun Zhang, Xing-Yu Zhang +9
Numerous applications at the photon-starved regime require a free-space coupling singlephoton detector with a large active area, low dark count rate (DCR), and superior time resolu…
1002 km Twin-Field Quantum Key Distribution with Finite-Key Analysis
Yang Liu, Wei-Jun Zhang, Cong Jiang +16
Quantum key distribution (QKD) holds the potential to establish secure keys over long distances. The distance of point-to-point QKD secure key distribution is primarily impeded by…
Characterization of a Superconducting Microstrip Single-Photon Detector Shunted with an External Resistor
Yu-Ze Wang, Wei-Jun Zhang, Guang-Zhao Xu +6
A superconducting microstrip single-photon detector (SMSPD) generally requires a shunt resistor to avoid latching, caused by its high current-carrying capacity and low kinetic indu…
Millimeter-scale active area superconducting microstrip single-photon detector fabricated by ultraviolet photolithography
Guang-Zhao Xu, Wei-Jun Zhang, Li-Xing You +7
The effective and convenient detection of single photons via advanced detectors with a large active area is becoming significant for quantum and classical applications. This work d…
Experimental Twin-Field Quantum Key Distribution Over 1000 km Fiber Distance
Yang Liu, Wei-Jun Zhang, Cong Jiang +15
Quantum key distribution (QKD) aims to generate secure private keys shared by two remote parties. With its security being protected by principles of quantum mechanics, some technol…
High-efficiency broadband fiber-to-chip coupler using a 3D nanoprinting microfiber
Dong-Hui Fan, Xing-Yu Zhang, Wei-Jun Zhang +6
We propose a method for coupling a tapered optical fiber to an inverted tapered SiN waveguide by fabricating a microfiber using 3D nanoprinting lithography. The microfiber consists…
Reducing current crowding in meander superconducting strip single-photon detectors by thickening bends
Jia-Min Xiong, Wei-Jun Zhang, Guang-Zhao Xu +8
To facilitate high optical coupling efficiency and absorptance, the active area of a superconducting nano/microstrip single-photon detector (SNSPD/SMSPD) is often designed as a mea…
Superconducting microstrip single-photon detector with system detection efficiency over 90% at 1550 nm
Guang-Zhao Xu, Wei-Jun Zhang, Li-Xing You +9
Generally, a superconducting nanowire single-photon detector (SNSPD) is composed of wires with a typical width of ~100 nm. Recent studies have found that superconducting strips wit…
A 16-channel fiber array-coupled superconducting single-photon detector array with average system detection efficiency over 60% at telecom wavelength
Wei-Jun Zhang, Guang-Zhao Xu, Li-Xing You +8
We report a compact, scalable, and high-performance superconducting nanowire single-photon detector (SNSPD) array by using a multichannel optical fiber array-coupled configuration.…