Scheme for implementing multitarget qubit controlled-NOT gate of photons and controlled-phase gate of electron spins via quantum dot-microcavity coupled system

Scheme for implementing multitarget qubit controlled-NOT gate of photons and controlled-phase... We propose a deterministic scheme to implement the multiqubit controlled-NOT gate of photons and multiqubit controlled-phase gate of electron spins with one control qubit and multiple target qubits using quantum dots in double-sided optical cavities. The scheme is based on spin selective photon reflection from the cavity and can be achieved in a nondestructive way. We assess the feasibility of the scheme and show that the gates can be implemented with high average fidelities by choosing the realistic system parameters appropriately. The scheme is useful in quantum information processing such as entanglement preparation, quantum error correction, and quantum algorithms. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Quantum Information Processing Springer Journals

Scheme for implementing multitarget qubit controlled-NOT gate of photons and controlled-phase gate of electron spins via quantum dot-microcavity coupled system

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Publisher
Springer US
Copyright
Copyright © 2016 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/s11128-015-1197-4
Publisher site
See Article on Publisher Site

Abstract

We propose a deterministic scheme to implement the multiqubit controlled-NOT gate of photons and multiqubit controlled-phase gate of electron spins with one control qubit and multiple target qubits using quantum dots in double-sided optical cavities. The scheme is based on spin selective photon reflection from the cavity and can be achieved in a nondestructive way. We assess the feasibility of the scheme and show that the gates can be implemented with high average fidelities by choosing the realistic system parameters appropriately. The scheme is useful in quantum information processing such as entanglement preparation, quantum error correction, and quantum algorithms.

Journal

Quantum Information ProcessingSpringer Journals

Published: Jan 12, 2016

References

  • Quantum phase gate through a dispersive atom-field interaction
    Zou, XB; Xiao, YF; Li, SB; Yang, Y; Guo, GC
  • Experimental realization of nonadiabatic holonomic quantum computation
    Feng, GR; Xu, GF; Long, GL
  • Optically controlled phase gate and teleportation of a controlled-not gate for spin qubits in a quantum-dot-microcavity coupled system
    Wang, HF; Zhu, AD; Zhang, S; Yeon, KH
  • Deterministic CNOT gate and entanglement swapping for photonic qubits using a quantum-dot spin in a double-sided optical microcavity
    Wang, HF; Wen, JJ; Zhu, AD; Zhang, S; Yeon, KH
  • Quantum computation with quantum dots
    Loss, D; DiVincenzo, DP
  • Ultrafast optical spin echo in a single quantum dot
    Press, D; Greve, K; McMahon, PL; Ladd, TD; Friess, B; Schneider, C; Kamp, M; Höfling, S; Forchel, A; Yamamoto, Y
  • Few-electron quantum dot circuit with integrated charge read out
    Elzerman, JM; Hanson, R; Greidanus, JS; Beveren, LW; Franceschi, S; Vandersypen, LMK; Tarucha, S; Kouwenhoven, LP
  • Universal quantum gates for hybrid systems assisted by quantum dots inside double-sided optical microcavities
    Wei, HR; Deng, FG

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