supported by the National Key R&D Program of China(Grant No.2016YFA0300601);the National Natural Science Foundation of China(Grant Nos.11934018 and 11874063);the Strategic Priority Research Program of the Chinese Academy of Sciences(Grant No.XDB28000000);the Key-Area Research and Development Program of GuangDong Province,China(Grant No.2018B030326001)。
Superconducting transmon qubits are the leading platform in solid-state quantum computing and quantum simulation applications.In this work,we develop a fabrication process for the transmon multiqubit device with a nio...
Project supported by the National Key R&D Program of China(Grant No.2017YFA0304000);the National Natural Science Foundation of China(Grant Nos.61671438 and 61827823);the Science and Technology Commission of Shanghai Municipality,China(Grant No.16JC1400402);Program of Shanghai Academic/Technology Research Leader,China(Grant No.18XD1404600);the Joint Research Fund in Astronomy(Grant No.U1631240)under Cooperative Agreement between the NSFC and the Chinese Academy of Sciences
Superconducting nanowire single-photon detectors(SNSPDs) have attracted considerable attention owing to their excellent detection performance;however, the underlying physics of the detection process is still unclear.I...
supported by the Italian National Institute of Nuclear Physics(INFN);partially funded by the Italian Ministry of Research in the framework of FIRB–Fondo per gli Investimenti della Ricerca di Base(No.RBFR12NK5K)
This paper reports the fabrication of Nb thin films through pulsed laser deposition at different substrate temperatures, ranging from 300 to 660 K. While the variation of the substrate temperature does not affect sign...
Supported by National Natural Science Foundation of China(11175237)
A low loss- (LL) type 500 MHz 5-cell superconducting niobium prototype cavity with a large beam aperture has been developed successfully including the optimization, the deep drawing and electron beam welding, the su...
Project supported by the National Basic Research Program of China(Grant Nos.2011CB922104 and 2011CBA00200);the National Natural Science Foundation of China(Grant No.11474154);the Jiangsu Natural Science Fund for Distinguished Young Scholars(Grant No.BK2012013);a Doctoral Program(Grant No.20120091110030)
A tunable superconducting half-wavelength coplanar waveguide resonator (CPWR) with Nb parallel nanowires - 300 nm in width embedded in the center conductor was designed, fabricated, and measured. The frequency shift...
The ECT (eddy current test) system is in use for Nb surface quality control in many laboratories. This system can inspect Nb surthce quickly using high resolution probe. The ECT system for RAON's cavity was made wi...
Supported by Major State Basic Research Development Program of China (973 Program)
The RF performance of a 1.3 GHz 9-cell superconducting niobium cavity was evaluated at cryogenic temperatures following surface processing by using the standard ILC-style recipe. The cavity is a TESLA-style 9-cell sup...
Supported by National Natural Science Foundation of China (10525525)
As part of the international research program on the superconducting cavity for the International Linear Collider (ILC) R&D on the 1.3 GHz low loss superconducting cavities has been carried out at the Institute of ...
Supported by National Natural Science Foundation of China (10525525)
Large grain niobium has the potential of simplifying the production sequence and consequently reducing the cost of the superconducting RF cavities for ILC. To investigate the feasibility of fabrication and the possibi...