Superconducting quantum bits

doi:10.1088/1674-1056/27/2/027401

Abstract

Superconducting quantum bits (qubits) and circuits are the leading candidate for the implementation of solid-state quantum computation. They have also been widely used in a variety of studies of quantum physics, atomic physics, quantum optics, and quantum simulation. In this article, we will present an overview of the basic principles of the superconducting qubits, including the phase, flux, charge, and transmon (Xmon) qubits, and the progress achieved so far concerning the improvements of the device design and quantum coherence property. Experimental studies in various research fields using the superconducting qubits and circuits will be briefly reviewed.

Keywords: superconducting qubit superconducting quantum computing quantum physics quantum optics quantum simulation

Received: 18 September 2017
Revised: 16 October 2017
Accepted manuscript online:

PACS:	74.50.+r	(Tunneling phenomena; Josephson effects)
	85.25.Cp	(Josephson devices)
	03.67.Lx	(Quantum computation architectures and implementations)
	42.50.-p	(Quantum optics)

Fund:

Project supported by the National Natural Science Foundation of China (Grant Nos. 91321208 and 11674380) and the National Key Basic Research Program of the Ministry of Science and Technology of China (Grant Nos. 2014CB921202, 2015CB921104, and 2016YFA0300601).

Corresponding Authors: Shi-Ping Zhao
E-mail: spzhao@iphy.ac.cn

About author: 74.50.+r; 85.25.Cp; 03.67.Lx; 42.50.-p

Cite this article:

Wei-Yang Liu(刘伟洋), Dong-Ning Zheng(郑东宁), Shi-Ping Zhao(赵士平) Superconducting quantum bits 2018 Chin. Phys. B 27 027401

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