High-fidelity generating multi-qubit W state via dressed states in the system of multiple resonators coupled with a superconducting qubit

被引:1
|
作者
Yang, Yu-Feng [1 ,2 ]
Chen, Ye-Hong [1 ,2 ]
Wu, Qi-Cheng [1 ,2 ]
Shi, Zhi-Cheng [1 ,2 ]
Song, Jie [3 ]
Xia, Yan [1 ,2 ]
机构
[1] Fuzhou Univ, Dept Phys, Fuzhou 350116, Fujian, Peoples R China
[2] Fuzhou Univ, Fujian Key Lab Quantum Informat & Quantum Opt, Fuzhou 350116, Fujian, Peoples R China
[3] Harbin Inst Technol, Dept Phys, Harbin 150001, Heilongjiang, Peoples R China
基金
中国国家自然科学基金;
关键词
W state; circuit quantum electrodynamics; dressed state; quantum Zeno dynamics; accelerating adiabatic passage; QUANTUM; SHORTCUTS; PHOTON;
D O I
10.1139/cjp-2017-0227
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
In this paper, we present an alternative scheme to generate W state of three superconducting qubits in three spatially separated coplanar waveguide resonators with the quantum Zeno dynamics and the dressed states. When a set of dressed states is suitably chosen, a scheme can be designed for accelerating the adiabatic passage without additional couplings. What is more, the populations of the intermediate states of the system can be restricted by choosing suitable control parameters. We discuss the influence of dissipation and operational imperfection by numerical analysis and the results show that the scheme is robust against various decoherence processes. In addition, we hope the scheme can provide a theoretical basis for the manipulation of the multi-qubit quantum state.
引用
收藏
页码:81 / 89
页数:9
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