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author:

Wei, X. (Wei, X..) [1] | Chen, M.-F. (Chen, M.-F..) [2]

Indexed by:

Scopus

Abstract:

We propose an efficient scheme to prepare W state of $$N$$N superconducting (SC) qubits in $$N$$N spatially separated coplanar waveguide (CPW) resonators via adiabatic passage. The $$N$$N CPW resonators, each trapping a SC qubit, are coupled only by a superconducting coupler (SCC) qubit. Based on a circuit quantum electrodynamics system, our scheme can be controlled and implemented easily in experiment. As a model of a plurality of separated cavities coupled to a SCC qubit, our protocol can be useful in scalable distributed quantum networks. By introducing adiabatic passage into our model, there is no need to control the Rabi frequency of classical field and the interaction time precisely during the whole operation. Also, the dissipation from the resonators and the energy relaxation can be omitted approximately. © 2015, Springer Science+Business Media New York.

Keyword:

Adiabatic technology; Circuit quantum electrodynamics (QED); W entangled state

Community:

  • [ 1 ] [Wei, X.]Laboratory of Quantum Optics, Department of Physics, Fuzhou University, Fuzhou, 350002, China
  • [ 2 ] [Chen, M.-F.]Laboratory of Quantum Optics, Department of Physics, Fuzhou University, Fuzhou, 350002, China

Reprint 's Address:

  • [Wei, X.]Laboratory of Quantum Optics, Department of Physics, Fuzhou UniversityChina

Email:

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Source :

Quantum Information Processing

ISSN: 1570-0755

Year: 2015

Issue: 7

Volume: 14

Page: 2419-2433

1 . 8 4

JCR@2015

2 . 2 0 0

JCR@2023

ESI HC Threshold:200

JCR Journal Grade:1

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 22

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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