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author:

Kang, Y.-H. (Kang, Y.-H..) [1] | Chen, Y.-H. (Chen, Y.-H..) [2] | Shi, Z.-C. (Shi, Z.-C..) [3] | Huang, B.-H. (Huang, B.-H..) [4] | Song, J. (Song, J..) [5] | Xia, Y. (Xia, Y..) [6]

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Abstract:

We propose a protocol for complete Bell-state analysis for two superconducting-quantum-interference-device qubits. The Bell-state analysis could be completed by using a sequence of microwave pulses designed by the transitionless tracking algorithm, which is a useful method in the technique of shortcut to adiabaticity. After the whole process, the information for distinguishing four Bell states will be encoded on two auxiliary qubits, while the Bell states remain unchanged. One can read out the information by detecting the auxiliary qubits. Thus the Bell-state analysis is nondestructive. The numerical simulations show that the protocol possesses a high success probability of distinguishing each Bell state with current experimental technology even when decoherence is taken into account. Thus, the protocol may have potential applications for the information readout in quantum communications and quantum computations in superconducting quantum networks. © 2017 American Physical Society.

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Community:

  • [ 1 ] [Kang, Y.-H.]Department of Physics, Fuzhou University, Fuzhou, 350116, China
  • [ 2 ] [Kang, Y.-H.]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 ] [Shi, Z.-C.]Department of Physics, Fuzhou University, Fuzhou, 350116, China
  • [ 6 ] [Shi, Z.-C.]Fujian Key Laboratory of Quantum Information and Quantum Optics, Fuzhou University, Fuzhou, 350116, China
  • [ 7 ] [Huang, B.-H.]Department of Physics, Fuzhou University, Fuzhou, 350116, China
  • [ 8 ] [Huang, B.-H.]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

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Source :

Physical Review A

ISSN: 2469-9926

Year: 2017

Issue: 2

Volume: 96

2 . 9 0 9

JCR@2017

2 . 6 0 0

JCR@2023

ESI HC Threshold:170

JCR Journal Grade:1

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 37

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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