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author:

Huang, X.-R. (Huang, X.-R..) [1] | Hu, C.-S. (Hu, C.-S..) [2] | Shen, L.-T. (Shen, L.-T..) [3] | Yang, Z.-B. (Yang, Z.-B..) [4] | Wu, H.-Z. (Wu, H.-Z..) [5]

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Abstract:

We present a scheme for implementation of controlled-Z and controlled-NOT gates via rapid adiabatic passage and Stark-tuned Frster resonance. By sweeping the Frster resonance once without passing through it and adiabatically tuning the angle-dependent RydbergRydberg interaction of the dipolar nature, the system can be effectively described by a two-level system with the adiabatic theorem. The single adiabatic passage leads to a gate fidelity as high as 0.999 and a greatly reduced gate operation time. We investigate the scheme by considering an actual atomic level configuration with rubidium atoms, where the fidelity of the controlled-Z gate is still higher than 0.99 under the influence of the Zeeman effect. © 2018 Astro Ltd.

Keyword:

adiabatic passage; Forster resonance; quantum logic gate; Rydberg atoms

Community:

  • [ 1 ] [Huang, X.-R.]Fujian Key Laboratory of Quantum Information and Quantum Optics, Fuzhou University, Fuzhou, 350116, China
  • [ 2 ] [Huang, X.-R.]Department of Physics, Fuzhou University, Fuzhou, 350116, China
  • [ 3 ] [Hu, C.-S.]Fujian Key Laboratory of Quantum Information and Quantum Optics, Fuzhou University, Fuzhou, 350116, China
  • [ 4 ] [Hu, C.-S.]Department of Physics, Fuzhou University, Fuzhou, 350116, China
  • [ 5 ] [Shen, L.-T.]Fujian Key Laboratory of Quantum Information and Quantum Optics, Fuzhou University, Fuzhou, 350116, China
  • [ 6 ] [Shen, L.-T.]Department of Physics, Fuzhou University, Fuzhou, 350116, China
  • [ 7 ] [Yang, Z.-B.]Fujian Key Laboratory of Quantum Information and Quantum Optics, Fuzhou University, Fuzhou, 350116, China
  • [ 8 ] [Yang, Z.-B.]Department of Physics, Fuzhou University, Fuzhou, 350116, China
  • [ 9 ] [Wu, H.-Z.]Fujian Key Laboratory of Quantum Information and Quantum Optics, Fuzhou University, Fuzhou, 350116, China
  • [ 10 ] [Wu, H.-Z.]Department of Physics, Fuzhou University, Fuzhou, 350116, China

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Source :

Laser Physics

ISSN: 1054-660X

Year: 2018

Issue: 2

Volume: 28

1 . 2 3 1

JCR@2018

1 . 2 0 0

JCR@2023

ESI HC Threshold:158

JCR Journal Grade:3

CAS Journal Grade:4

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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