Quantum state transfer with a two-dimensional Cooper-pair box qubit array

  • Authors:

  • Zhi-Bo Feng;Run-Ying Yan;Yun-Qing Zhou

  • Affiliations:

  • School of Electric and Information Engineering, Xuchang University, Xuchang, China 461000;School of Electric and Information Engineering, Xuchang University, Xuchang, China 461000;Department of physics, Zhejiang Ocean University, Zhoushan, China 316000

  • Venue:
  • Quantum Information Processing
  • Year:
  • 2013

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Abstract

A theoretical scheme is proposed to transfer quantum state with a two-dimensional Cooper-pair box qubit array in circuit QED devices, in which coplanar transmission line resonators play the role of a quantum data bus. Based on the Raman transitions, the resonator-assisted quantum state transfer between any selected pair of qubits can be performed by addressing the local gate pulses. Thus the scheme may offer an effective route towards scalable quantum state transfer with superconducting qubits.