221 citations · 1.1k across the 17 of their papers we have counts for
17 papers
Improving photon number resolvability of a superconducting nanowire detector array using a level comparator circuit
Jia Huang, Xingyu Zhang, Weijun Zhang +8
Photon number resolving (PNR) capability is very important in many optical applications, including quantum information processing, fluorescence detection, and few-photon-level rang…
Gate-Tunable Critical Current of the Three-Dimensional Niobium Nano-Bridge Josephson Junction
Shujie Yu, Lei Chen, Yinping Pan +10
Recent studies have shown that the critical currents of several metallic superconducting nanowires and Dayem bridges can be locally tuned using a gate voltage {V_g}. Here, we repor…
Geometric Scaling of the Current-Phase Relation of Niobium Nano-Bridge Junctions
Yue Wang, Lei Chen, Yinping Pan +11
The nano-bridge junction (NBJ) is a type of Josephson junction that is advantageous for the miniaturization of superconducting circuits. However, the current-phase relation (CPR) o…
Superconducting nanowire diode
Xiaofu Zhang, Qingchang Huan, Ruoyan Ma +8
Semiconducting diode with nonreciprocal transport effect underlies the cornerstone of contemporary integrated circuits (ICs) technology. Due to isotropic superconducting properties…
Thin film aluminum nitride surface acoustic wave resonators for quantum acoustodynamics
Wenbing Jiang, Junfeng Chen, Xiaoyu Liu +5
The quantum excitations of macroscopic surface acoustic waves (SAWs) have been tailored to control, communicate and transduce stationary and flying quantum states. However, the lim…
Single photon detection performance of highly disordered NbTiN thin films
Ruoyan Ma, Rui Shu, Xingyu Zhang +9
We experimentally investigated the detection performance of highly disordered NbxTi1-xN based superconducting nanowire single photon detectors (SNSPDs). The dependence on the compo…
Miniaturization of the Superconducting Memory Cell via a Three-Dimensional Nb Nano-Superconducting Quantum Interference Device
Lei Chen, Lili Wu, Yue Wang +9
Scalable memories that can match the speeds of superconducting logic circuits have long been desired to enable a superconducting computer. A superconducting loop that includes a Jo…
A high performance Nb nano-SQUID with a three-dimensional structure
Lei Chen, Hao Wang, Xiaoyu Liu +2
A superconducting quantum interference device (SQUID) miniaturized into nanoscale is promising in the inductive detection of a single electron spin. A nano-SQUID with a strong spin…
NbN superconducting nanowire single photon detector with efficiency over 90% at 1550 nm wavelength operational at compact cryocooler temperature
W. J. Zhang, L. X. You, H. Li +7
The fast development of superconducting nanowire single photon detector (SNSPD) in the past decade has enabled many advances in quantum information technology. The best system dete…
Superconducting nanowire single photon detector at 532 nm and demonstration in satellite laser ranging
Hao Li, Sijing Chen, Lixing You +10
Superconducting nanowire single-photon detectors (SNSPDs) at a wavelength of 532 nm were designed and fabricated aiming to satellite laser ranging (SLR) applications. The NbN SNSPD…
Large-sensitive-area superconducting nanowire single-photon detector at 850 nm with high detection efficiency
Hao Li, Lu Zhang, Lixing You +6
Satellite-ground quantum communication requires single-photon detectors of 850-nm wavelength with both high detection efficiency and large sensitive area. We developed superconduct…
Silane-Catalyzed Fast Growth of Large Single-Crystalline Graphene on Hexagonal Boron Nitride
Shujie Tang, Haomin Wang, Hui Shan Wang +12
The direct growth of high-quality, large single-crystalline domains of graphene on a dielectric substrate is of vital importance for applications in electronics and optoelectronics…
Nonideal optical cavity structure of superconducting nanowire single photon detector
Hao Li, Weijun Zhang, Lixing You +8
Optical cavity structure has been proven to be a crucial factor for obtaining high detection efficiency in superconducting nanowire single photon detector (SNSPD). Practically, com…
Superconducting nanowire single photon detector with on-chip bandpass filter
Xiaoyan Yang, Hao Li, Weijun Zhang +7
Dark count rate is one of the key parameters limiting the performance of the superconducting nanowire single photon detector (SNSPD). We have designed a multi-layer film bandpass f…
Characterization of superconducting nanowire single-photon detector with artificial constrictions
Ling Zhang, Lixing You, Dengkuan Liu +8
Statistical studies on the performance of different superconducting nanowire single-photon detectors (SNSPDs) on one chip suggested that random constrictions existed in the nanowir…
Precisely aligned graphene grown on hexagonal boron nitride by catalyst free chemical vapor deposition
Shujie Tang, Haomin Wang, Yu Zhang +8
To grow precisely aligned graphene on h-BN without metal catalyst is extremely important, which allows for intriguing physical properties and devices of graphene/h-BN hetero-struct…
Jitter analysis of a superconducting nanowire single photon detector
Lixing You, Xiaoyan Yang, Yuhao He +9
Jitter is one of the key parameters for a superconducting nanowire single photon detector (SNSPD). Using an optimized time-correlated single photon counting system for jitter measu…