Quantum Information Processing

, Volume 13, Issue 9, pp 2039–2047 | Cite as

On implementing nondestructive triplet Toffoli gate with entanglement swapping operations via the GHZ state analysis

  • Ying Guo
  • Zhisheng Zhao
  • Yijun Wang
  • Ping Wang
  • Dazu HuangEmail author
  • Moon Ho Lee


We investigate an novel implementation of a Toffoli gate using multiple independent auxiliary photons prepared beforehand in single-qubit states. This gate can be performed nondestructively with entanglement swapping via the Greenberger–Horne–Zeilinger state analysis. We evaluate the performance of the proposed Toffoli gate with the fidelity based on different computation bases. The multi-qubit-entanglement gate is no longer theoretical since it can be implemented in principle with single-qubit photons.


Entanglement swapping Entanglement analysis Toffoli gate 


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Copyright information

© Springer Science+Business Media New York 2014

Authors and Affiliations

  • Ying Guo
    • 1
    • 2
    • 3
  • Zhisheng Zhao
    • 1
  • Yijun Wang
    • 1
  • Ping Wang
    • 1
  • Dazu Huang
    • 4
    Email author
  • Moon Ho Lee
    • 5
  1. 1.School of Information Science and EngineeringCentral South UniversityChangshaChina
  2. 2.School of Physics and Information ScienceHunan Normal UniversityChangsha China
  3. 3.School of Engineering and Information TechnologyUniversity of New South WalesCanberra Australia
  4. 4.Department of Information ManagementHunan University of Finance and EconomicsChangsha China
  5. 5.Department of Electronics and Information EngineeringChonbuk National UniversityChonjuKorea

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