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author:

Shi, Zhi-Cheng (Shi, Zhi-Cheng.) [1] | Ding, Jun-Tong (Ding, Jun-Tong.) [2] | Chen, Ye-Hong (Chen, Ye-Hong.) [3] | Song, Jie (Song, Jie.) [4] | Xia, Yan (Xia, Yan.) [5] | Yi, X.X. (Yi, X.X..) [6] | Nori, Franco (Nori, Franco.) [7]

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EI

Abstract:

In this work, we develop a supervised learning model for implementing robust quantum control in composite-pulse systems, where the training parameters can be either phases, detunings, or Rabi frequencies. This model exhibits great resistance to all kinds of systematic errors, including single, multiple, and time-varying errors. We propose a modified gradient descent algorithm for adapting the training of phase parameters, and show that different sampling methods result in different robust performances. In particular, there is a trade-off between high fidelity and robustness for a given number of training parameters, and both can be simultaneously enhanced by increasing the number of training parameters (pulses). For its applications, we demonstrate that the current model can be used for achieving high-fidelity arbitrary superposition states and universal quantum gates in a robust manner. This work provides a highly efficient learning model for fault-tolerant quantum computation by training various physical parameters. © 2024 American Physical Society.

Keyword:

Control theory Economic and social effects Gradient methods Learning systems Parameter estimation Quantum computers Quantum theory Systematic errors

Community:

  • [ 1 ] [Shi, Zhi-Cheng]Fujian Key Laboratory of Quantum Information and Quantum Optics, Fuzhou University, Fuzhou; 350108, China
  • [ 2 ] [Shi, Zhi-Cheng]Department of Physics, Fuzhou University, Fuzhou; 350108, China
  • [ 3 ] [Ding, Jun-Tong]Fujian Key Laboratory of Quantum Information and Quantum Optics, Fuzhou University, Fuzhou; 350108, China
  • [ 4 ] [Ding, Jun-Tong]Department of Physics, Fuzhou University, Fuzhou; 350108, China
  • [ 5 ] [Chen, Ye-Hong]Fujian Key Laboratory of Quantum Information and Quantum Optics, Fuzhou University, Fuzhou; 350108, China
  • [ 6 ] [Chen, Ye-Hong]Department of Physics, Fuzhou University, Fuzhou; 350108, China
  • [ 7 ] [Chen, Ye-Hong]Theoretical Quantum Physics Laboratory, Cluster for Pioneering Research, RIKEN, Wakoshi, Saitama; 351-0198, Japan
  • [ 8 ] [Chen, Ye-Hong]Quantum Information Physics Theory Research Team, Center for Quantum Computing, RIKEN, Wakoshi, Saitama; 351-0198, Japan
  • [ 9 ] [Song, Jie]Department of Physics, Harbin Institute of Technology, Harbin; 150001, China
  • [ 10 ] [Xia, Yan]Fujian Key Laboratory of Quantum Information and Quantum Optics, Fuzhou University, Fuzhou; 350108, China
  • [ 11 ] [Xia, Yan]Department of Physics, Fuzhou University, Fuzhou; 350108, China
  • [ 12 ] [Yi, X.X.]Center for Quantum Sciences and School of Physics, Northeast Normal University, Changchun; 130024, China
  • [ 13 ] [Nori, Franco]Theoretical Quantum Physics Laboratory, Cluster for Pioneering Research, RIKEN, Wakoshi, Saitama; 351-0198, Japan
  • [ 14 ] [Nori, Franco]Quantum Information Physics Theory Research Team, Center for Quantum Computing, RIKEN, Wakoshi, Saitama; 351-0198, Japan
  • [ 15 ] [Nori, Franco]Department of Physics, University of Michigan, Ann Arbor; MI; 48109-1040, United States

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Source :

Physical Review Applied

Year: 2024

Issue: 4

Volume: 21

3 . 8 0 0

JCR@2023

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 4

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 2

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