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author:

Xiao, Y. (Xiao, Y..) [1] | Kang, Y.-H. (Kang, Y.-H..) [2] | Zheng, R.-H. (Zheng, R.-H..) [3] | Liu, Y. (Liu, Y..) [4] | Wang, Y. (Wang, Y..) [5] | Song, J. (Song, J..) [6] | Xia, Y. (Xia, Y..) [7]

Indexed by:

Scopus

Abstract:

In this paper, a robust and accurate protocol is proposed to realize nondestructive parity measurement of artificial atoms using a superconducting resonator and homodyne measurement. With the help of an additional microwave driving field, the cavity field evolves into a coherent state or remains in a vacuum state according to the parity of the atoms. Consequently, the parity information of atoms can be read out by a homodyne measurement on the cavity. Parity information can be obtained without destroying the original state of the system, which means that the state can be further applied to other quantum information processing tasks after a parity measurement. The numerical simulation results show that the protocol is robust against systematic error, random noise, and decoherence. Therefore, this protocol can provide a feasible viewpoint for nondestructive parity measurement. © 2023 Wiley-VCH GmbH.

Keyword:

cavity homodyne measurement parity measurement

Community:

  • [ 1 ] [Xiao, Y.]Fujian Key Laboratory of Quantum Information and Quantum Optics, Fuzhou University, Fuzhou, 350108, China
  • [ 2 ] [Xiao, Y.]Department of Physics, Fuzhou University, Fuzhou, 350108, China
  • [ 3 ] [Kang, Y.-H.]Department of Physics, Harbin Institute of Technology, Harbin, 150001, China
  • [ 4 ] [Zheng, R.-H.]Fujian Key Laboratory of Quantum Information and Quantum Optics, Fuzhou University, Fuzhou, 350108, China
  • [ 5 ] [Zheng, R.-H.]Department of Physics, Fuzhou University, Fuzhou, 350108, China
  • [ 6 ] [Liu, Y.]Fujian Key Laboratory of Quantum Information and Quantum Optics, Fuzhou University, Fuzhou, 350108, China
  • [ 7 ] [Liu, Y.]Department of Physics, Fuzhou University, Fuzhou, 350108, China
  • [ 8 ] [Wang, Y.]School of Physics, Hangzhou Normal University, Hangzhou, 311121, China
  • [ 9 ] [Song, J.]Department of Physics, Harbin Institute of Technology, Harbin, 150001, China
  • [ 10 ] [Xia, Y.]Fujian Key Laboratory of Quantum Information and Quantum Optics, Fuzhou University, Fuzhou, 350108, China
  • [ 11 ] [Xia, Y.]Department of Physics, Fuzhou University, Fuzhou, 350108, China

Reprint 's Address:

  • [Xia, Y.]Fujian Key Laboratory of Quantum Information and Quantum Optics, China

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Related Keywords:

Source :

Advanced Quantum Technologies

ISSN: 2511-9044

Year: 2023

Issue: 5

Volume: 6

4 . 4

JCR@2023

4 . 4 0 0

JCR@2023

ESI HC Threshold:30

JCR Journal Grade:1

CAS Journal Grade:3

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count: 1

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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