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author:

Liu, Shuai (Liu, Shuai.) [1] | Chen, Ye-Hong (Chen, Ye-Hong.) [2] | Wang, Yu (Wang, Yu.) [3] | Kang, Yi-Hao (Kang, Yi-Hao.) [4] | Shi, Zhi-Cheng (Shi, Zhi-Cheng.) [5] | Song, Jie (Song, Jie.) [6] | Xia, Yan (Xia, Yan.) [7]

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EI

Abstract:

In this paper, we present an experimentally feasible protocol to generate the cat states in the microwave resonator coupled to a superconducting qubit. The setup employs a detuned, time-dependent parametric drive to squeeze the resonator mode so that an adjustable qubit-resonator coupling strength can be obtained. Therefore, based on the transitionless tracking algorithm, we can design control pulses to generate the qubit-resonator entangled states with high fidelity in the laboratory frame. Then, the even and odd cat states can be further obtained by performing measurement on the superconducting qubit. Compared to the scheme [Chen, Phys. Rev. Lett. 126, 023602 (2021)PRLTAO0031-900710.1103/PhysRevLett.126.023602], the present protocol is realized in the regime of weak parametric drive. In the case, squeezing-induced noise can be reduced so that the fidelity of the generated state can be improved. Numerical simulations indicate that the present protocol is well executed under experimentally available parameters. Thus, the protocol is feasible with the present state of the art in microwave superconducting circuits. © 2022 American Physical Society.

Keyword:

Microwave resonators Quantum entanglement Qubits Superconducting resonators Tracking (position)

Community:

  • [ 1 ] [Liu, Shuai]Fujian Key Laboratory of Quantum Information and Quantum Optics, Fuzhou University, Fuzhou; 350116, China
  • [ 2 ] [Liu, Shuai]Department of Physics, Fuzhou University, Fuzhou; 350116, China
  • [ 3 ] [Liu, Shuai]School of Physics and Electronic Engineering, Hubei University of Arts and Science, Xiangyang; 441053, China
  • [ 4 ] [Chen, Ye-Hong]Fujian Key Laboratory of Quantum Information and Quantum Optics, Fuzhou University, Fuzhou; 350116, China
  • [ 5 ] [Chen, Ye-Hong]Department of Physics, Fuzhou University, Fuzhou; 350116, China
  • [ 6 ] [Chen, Ye-Hong]Theoretical Quantum Physics Laboratory, RIKEN Cluster for Pioneering Research, Wako-shi, Saitama; 351-0198, Japan
  • [ 7 ] [Chen, Ye-Hong]RIKEN Center for Quantum Computing (RQC), 2-1 Hirosawa, Wako-shi, Saitama; 351-0198, Japan
  • [ 8 ] [Wang, Yu]Fujian Key Laboratory of Quantum Information and Quantum Optics, Fuzhou University, Fuzhou; 350116, China
  • [ 9 ] [Wang, Yu]Department of Physics, Fuzhou University, Fuzhou; 350116, China
  • [ 10 ] [Kang, Yi-Hao]Department of Physics, Harbin Institute of Technology, Harbin; 150001, China
  • [ 11 ] [Shi, Zhi-Cheng]Fujian Key Laboratory of Quantum Information and Quantum Optics, Fuzhou University, Fuzhou; 350116, China
  • [ 12 ] [Shi, Zhi-Cheng]Department of Physics, Fuzhou University, Fuzhou; 350116, China
  • [ 13 ] [Song, Jie]Department of Physics, Harbin Institute of Technology, Harbin; 150001, China
  • [ 14 ] [Xia, Yan]Fujian Key Laboratory of Quantum Information and Quantum Optics, Fuzhou University, Fuzhou; 350116, China
  • [ 15 ] [Xia, Yan]Department of Physics, Fuzhou University, Fuzhou; 350116, China

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Source :

Physical Review A

ISSN: 2469-9926

Year: 2022

Issue: 4

Volume: 106

2 . 9

JCR@2022

2 . 6 0 0

JCR@2023

ESI HC Threshold:55

JCR Journal Grade:2

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: 0

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