Experimentally optimized implementation of the Fredkin gate with atoms in cavity QED

Experimentally optimized implementation of the Fredkin gate with atoms in cavity QED A scheme of fast synthesizing the Fredkin gate is proposed in cavity QED via quantum Zeno dynamics. Three atoms are trapped in three different but directly coupled cavities in this scheme. The strictly numerical simulations are given, and the influences of cavity decay and spontaneous emission on the gate operation are analyzed with master equation. The result shows that our scheme is robust against atomic spontaneous emission because of the large detuning. Since the atoms are separated in different cavities, it is easier to manipulate atoms experimentally. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Quantum Information Processing Springer Journals

Experimentally optimized implementation of the Fredkin gate with atoms in cavity QED

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Publisher
Springer US
Copyright
Copyright © 2014 by Springer Science+Business Media New York
Subject
Physics; Quantum Information Technology, Spintronics; Quantum Computing; Data Structures, Cryptology and Information Theory; Quantum Physics; Mathematical Physics
ISSN
1570-0755
eISSN
1573-1332
D.O.I.
10.1007/s11128-014-0884-x
Publisher site
See Article on Publisher Site

Abstract

A scheme of fast synthesizing the Fredkin gate is proposed in cavity QED via quantum Zeno dynamics. Three atoms are trapped in three different but directly coupled cavities in this scheme. The strictly numerical simulations are given, and the influences of cavity decay and spontaneous emission on the gate operation are analyzed with master equation. The result shows that our scheme is robust against atomic spontaneous emission because of the large detuning. Since the atoms are separated in different cavities, it is easier to manipulate atoms experimentally.

Journal

Quantum Information ProcessingSpringer Journals

Published: Nov 25, 2014

References

  • Quantum phase gate through a dispersive atom-field interaction
    Zou, XB; Xiao, YF; Li, SB; Yang, Y; Guo, GC
  • One-step implementation of multiqubit conditional phase gating with nitrogen-vacancy centers coupled to a high-Q silica microsphere cavity
    Yang, WL; Yin, ZQ; Xu, ZY; Feng, M; Du, JF
  • The transition from quantum Zeno to anti-Zeno effects for a qubit in a cavity by varying the cavity frequency
    Cao, X; Ai, Q; Sun, CP; Nori, F
  • Quantum Zeno and anti-Zeno effects measured by transition probabilities
    Zhang, W; Kofman, AG; Zhuang, J; You, JQ; Nori, F
  • One-step implementation of the Toffoli gate via quantum Zeno dynamics
    Shao, XQ; Wang, HF; Chen, L; Zhang, S; Yeon, KH
  • Atomic physics and quantum optics using superconducting circuits
    You, JQ; Nori, F
  • Hybrid quantum circuits: Superconducting circuits interacting with other quantum systems
    Xiang, ZL; Ashhab, S; You, JQ; Nori, F
  • Generation of three-atom singlet state in a bimodal cavity via quantum Zeno dynamics
    Shi, ZC; Xia, Y; Song, J; Song, HS

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