2.3k citations · 11.5k across the 100 of their papers we have counts for
16 papers · 1 filter
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…
Determining the absolute value of magnetic penetration depth in small-sized superconducting films
Ruozhou Zhang, Mingyang Qin, Lu Zhang +6
In the previous four decades, a two-coil mutual inductance (MI) technique has been widely employed in characterizing magnetic penetration depth, , of superconducting films. Howe…
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…
A combined method for synthesis of superconducting Cu doped Bi2Se3
Meng Wang, Yanru Song, Lixing You +4
We present a two-step technique for the synthesis of superconducting CuxBi2Se3. Cu0.15Bi2Se3 single crystals were synthesized using the melt-growth method. Although these samples a…
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…
High-T_c superconductivity in ultrathin Bi_2Sr_2CaCu_2O_8+x down to halfunit-cell thickness by protection with graphene
Da Jiang, Tao Hu, Lixing You +13
High-T_c superconductors confined to two dimension exhibit novel physical phenomena, such as superconductor-insulator transition. In the Bi_2Sr_2CaCu_2O_8+x (Bi2212) model system,…
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…
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…
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…
A single intrinsic Josephson junction with double-sided fabrication technique
L. X. You, M. Torstensson, A. Yurgens +3
We make stacks of intrinsic Josephson junctions (IJJs) imbedded in the bulk of very thin (~nm) single crystals. By precisely controlling…
Superconducting properties of ultrathin Bi2Sr2CaCu2O8+x single crystals
L. X. You, A. Yurgens, D. Winkler
We use Ar-ion milling to thin Bi2212 single crystals down to a few nanometers or one-to-two (CuO2)2 layers. With decreasing the thickness, superconducting transition temperature gr…
Superconducting critical current of a single Cu2O4-plane in Bi2Sr2CaCu2O8+x single crystal
L. X. You, A. Yurgens, D. Winkler
By feeding current into the topmost -layer of a mesa etched into the surface of a (BSCCO) single crystal, we measured its superco…
Controlling the Intrinsic Josephson Junction Number in a Mesa
Li-Xing You, Pei-Heng Wu, Wei-Wei Xu +2
In fabricating intrinsic Josephson junctions in 4-terminal mesa structures, we modify the conventional fabrication process by markedly reducing the…
Surface Junction in BiSrCaCuO Single Crystals
L. X. You, P. H. Wu
As nature junction geometry of the d-wave cuprate superconductor/insulator/the mixture of s-wave and d-wave cuprate superconductor, the upmost surface junction of intrinsic Josephs…