activity
20102023
most citedDetecting single infrared photons toward optimal system detection efficiency

150 citations · 905 across the 19 of their papers we have counts for

collaborators

19 papers

quant-ph2023★ 4 cited

Quasiparticle Dynamics in Superconducting Quantum-Classical Hybrid Circuits

Kuang Liu, Xiaoliang He, Zhengqi Niu +8

Single flux quantum (SFQ) circuitry is a promising candidate for a scalable and integratable cryogenic quantum control system. However, the operation of SFQ circuits introduces non…

physics.ins-det2021★ 3 cited

Small Signal Analysis of SQUID Direct Readout Schemes

Yongliang Wang, Guofeng Zhang, Shulin Zhang +3

To better understand the working principles of Superconducting Quantum Interference Device (SQUID) direct readout schemes, which work in different bias and amplifier modes with dif…

physics.ins-det2021★ 65 cited

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…

physics.ins-det2020★ 6 cited

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.…

cond-mat.supr-con2020★ 150 cited

Detecting single infrared photons toward optimal system detection efficiency

Peng Hu, Hao Li, Lixing You +7

Superconducting nanowire single-photon detector (SNSPD) with near-unity system efficiency is a key enabling, but still elusive technology for numerous quantum fundamental theory ve…

physics.app-ph2018★ 69 cited

Enhancing intrinsic detection efficiency of superconducting nanowire single-photon detectors via helium ion irradiation

Weijun Zhang, Qi Jia, Lixing You +5

Realizing an NbN superconducting nanowire single-photon detector (SNSPD) with a 100% intrinsic detection efficiency (IDE) at the near-infrared wavelengths is still challenging. Her…

physics.app-ph2017★ 59 cited

Superconducting nanowire single photon detection system for space applications

Lixing You, Jia Quan, yong Wang +9

Superconducting nanowire single photon detectors (SNSPDs) have advanced various frontier scientific and technological fields such as quantum key distribution and deep space communi…

cond-mat.supr-con2016★ 86 cited

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…

physics.optics2015★ 44 cited

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…

cond-mat.supr-con2015★ 2 cited

Superconducting nanowire single-photon detectors at a wavelength of 940 nm

W. J. Zhang, H. Li, L. X. You +9

We develop single-photon detectors comprising single-mode fiber-coupled superconducting nanowires, with high system detection efficiencies at a wavelength of 940 nm. The detector c…

physics.optics2015★ 68 cited

Few-photon imaging at 1550 nm using a low-timing-jitter superconducting nanowire single-photon detector

H. Zhou, Y. He, L. You +5

We demonstrated a laser depth imaging system based on the time-correlated single-photon counting technique, which was incorporated with a low-jitter superconducting nanowire single…

physics.optics2015★ 28 cited

Dark counts of superconducting nanowire single-photon detector under illumination

Sijing Chen, Lixing You, Weijun Zhang +5

An abnormal increase in the SDE was observed for superconducting nanowire single-photon detectors (SNSPDs) when the bias current (Ib) was close to the switching current (Isw). By i…

cond-mat.supr-con2014★ 9 cited

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…

cond-mat.supr-con2014★ 71 cited

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…

cond-mat.supr-con2014★ 15 cited

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…

cond-mat.supr-con2013★ 125 cited

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…

physics.ins-det2013★ 74 cited

Time-of-flight laser ranging and imaging at 1550 nm using low-jitter superconducting nanowire single-photon detection system

Sijing Chen, Dengkuan Liu, Wenxing Zhang +10

We developed a time-correlated single-photon counting (TCSPC) system based on the low-jitter superconducting nanowire single-photon detection (SNSPD) technology. The causes of jitt…

cond-mat.supr-con2012★ 27 cited

Nonlatching Superconducting Nanowire Single-Photon Detection with Quasi-Constant-Voltage Bias

Deng-Kuan Liu, Si-Jing Chen, Li-Xing You +5

Latching is a serious issue in superconducting nanowire single-photon detector (SNSPD) technology. By extensively studying the electrical transportation characteristics of SNSPD wi…

cond-mat.supr-con2010

Thin-film-like high temperature superconducting single crystal by mechanical exfoliation

X Wang, L X You, X M Xie +3

Thin-film-like high temperature superconducting Bi2Sr2CaCu2O8+x single crystals (TSB) with a typical thickness of 20-200 nm is produced by mechanical exfoliation. The TSB, which sh…