Enlarge the scale of W state by connecting multiple existed W states

Enlarge the scale of W state by connecting multiple existed W states We propose a simple scheme to generate large-scale W state. With the cross-phase modulation, we design a photon number resolving discrimination. This discrimination, associated with some single-photon operations, is enough to connect the existed W states. No more two-photon or multi-photon operations are required. This scheme is powerful and flexible for connecting arbitrary number of W states. It is therefore suitable for creating large-scale W state with the current technology. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Quantum Information Processing Springer Journals

Enlarge the scale of W state by connecting multiple existed W states

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Publisher
Springer US
Copyright
Copyright © 2015 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/s11128-015-1200-0
Publisher site
See Article on Publisher Site

Abstract

We propose a simple scheme to generate large-scale W state. With the cross-phase modulation, we design a photon number resolving discrimination. This discrimination, associated with some single-photon operations, is enough to connect the existed W states. No more two-photon or multi-photon operations are required. This scheme is powerful and flexible for connecting arbitrary number of W states. It is therefore suitable for creating large-scale W state with the current technology.

Journal

Quantum Information ProcessingSpringer Journals

Published: Dec 10, 2015

References

  • Enhancing the W-state quantum-network-fusion process with a single Fredkin gate
    Bugu, S; Yesilyurt, C; Ozaydin, F
  • Fusing multiple W states simultaneously with a Fredkin gate
    Ozaydin, F; Bugu, S; Yesilyurt, C; Altintas, AA; Tame, M; Özdemir, SK
  • An optical gate for simultaneous fusion of four photonic W or Bell states
    Yesilyurt, C; Bugu, S; Ozaydin, F
  • Effective scheme for W-state fusion with weak cross-Kerr nonlinearities
    Han, X; Hu, S; Guo, Q; Wang, HF; Zhang, S
  • Local transformation of two EPR photon pairs into a three-photon W state
    Tashima, T; Wakatsuki, T; Özdemir, SK; Yamamoto, T; Koashi, M; Imoto, N
  • Quantum computation by communication
    Spiller, TP; Nemoto, K; Braunstein, SL; Munro, WJ; Loock, P; Milburn, GJ
  • Two-step measurement of the concurrence for hyperentangled state
    Sheng, YB; Guo, R; Pan, J; Zhou, L; Wang, XF
  • Efficient entanglement concentration for electron-spin W state with the charge detection
    Zhou, L
  • Two-photon dynamics in coherent Rydberg atomic ensemble
    He, B; Sharypov, AV; Sheng, J; Simon, C; Xiao, M

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