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author:

Lin, J. (Lin, J..) [1] | Shen, L.-T. (Shen, L.-T..) [2] | Wu, H.-Z. (Wu, H.-Z..) [3] | Yang, Z.-B. (Yang, Z.-B..) [4]

Indexed by:

Scopus

Abstract:

We propose a dissipation-engineering method for generation and stabilization of a Bell state for two superconducting qubits in coupled circuit quantum electrodynamics architecture. In the scheme, the large dispersive qubit–resonator interaction and resonant photon hopping between resonators jointly induce asymmetric energy gaps in the dressed state subspaces for the qubits and the collective resonator photon modes. The target steady state is reached and protected by applying each qubit with two microwave drives, that perturbatively induce the specific dressed state transition, while simultaneously by employing the decay of the collective photon modes. Numerical simulation verifies that high-fidelity and long-lived two-qubit Bell state can be obtained (based on the recently available experimental parameters) and is robust against the potential fluctuation of the system parameters. © 2015, Springer Science+Business Media New York.

Keyword:

Coupled circuit QED polymer; Dispersive qubit–resonator coupling; Dissipation-engineering; Violation of Bell’s inequality

Community:

  • [ 1 ] [Lin, J.]Department of Physics, Fuzhou University, Fuzhou, 350116, China
  • [ 2 ] [Shen, L.-T.]Department of Physics, Fuzhou University, Fuzhou, 350116, China
  • [ 3 ] [Wu, H.-Z.]Department of Physics, Fuzhou University, Fuzhou, 350116, China
  • [ 4 ] [Yang, Z.-B.]Department of Physics, Fuzhou University, Fuzhou, 350116, China

Reprint 's Address:

  • [Lin, J.]Department of Physics, Fuzhou UniversityChina

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Source :

Quantum Information Processing

ISSN: 1570-0755

Year: 2016

Issue: 1

Volume: 15

Page: 185-197

2 . 1 9 2

JCR@2016

2 . 2 0 0

JCR@2023

ESI HC Threshold:186

JCR Journal Grade:1

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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