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

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Abstract：

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.　©　2017　Published　by　NRC　Research　Press.

Keyword：

Accelerating adiabatic passage; Circuit quantum electrodynamics; Dressed state; Quantum Zeno dynamics; W state

Community：

[ 1 ] [Yang, Y.-F.]Department of Physics, Fuzhou University, Fuzhou, 350116, China
[ 2 ] [Yang, Y.-F.]Fujian Key Laboratory of Quantum Information and Quantum Optics, Fuzhou University, Fuzhou, 350116, China
[ 3 ] [Chen, Y.-H.]Department of Physics, Fuzhou University, Fuzhou, 350116, China
[ 4 ] [Chen, Y.-H.]Fujian Key Laboratory of Quantum Information and Quantum Optics, Fuzhou University, Fuzhou, 350116, China
[ 5 ] [Wu, Q.-C.]Department of Physics, Fuzhou University, Fuzhou, 350116, China
[ 6 ] [Wu, Q.-C.]Fujian Key Laboratory of Quantum Information and Quantum Optics, Fuzhou University, Fuzhou, 350116, China
[ 7 ] [Shi, Z.-C.]Department of Physics, Fuzhou University, Fuzhou, 350116, China
[ 8 ] [Shi, Z.-C.]Fujian Key Laboratory of Quantum Information and Quantum Optics, Fuzhou University, Fuzhou, 350116, China
[ 9 ] [Song, J.]Department of Physics, Harbin Institute of Technology, Harbin, 150001, China
[ 10 ] [Xia, Y.]Department of Physics, Fuzhou University, Fuzhou, 350116, China
[ 11 ] [Xia, Y.]Fujian Key Laboratory of Quantum Information and Quantum Optics, Fuzhou University, Fuzhou, 350116, China

Reprint 's Address：

[Shi, Z.-C.]Department of Physics, Fuzhou UniversityChina

Email：

szc2014@yeah.net

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Source ：

Canadian Journal of Physics

ISSN： 0008-4204

Year： 2018

Issue： 1

Volume： 96

Page： 81-89

1 . 0 1 6

JCR@2018

1 . 1 0 0

JCR@2023

ESI HC Threshold：158

JCR Journal Grade：3

CAS Journal Grade：4

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ESI Highly Cited Papers on the List： 0 Unfold All

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30 Days PV： 0

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