High-bandwidth hybrid quantum repeater

W. J. Munro, R. Van Meter, Sebastien G.R. Louis, Kae Nemoto

研究成果: Article査読

57 被引用数 (Scopus)

抄録

We present a physical- and link-level design for the creation of entangled pairs to be used in quantum repeater applications where one can control the noise level of the initially distributed pairs. The system can tune dynamically, trading initial fidelity for success probability, from high fidelity pairs (F=0.98 or above) to moderate fidelity pairs. The same physical resources that create the long-distance entanglement are used to implement the local gates required for entanglement purification and swapping, creating a homogeneous repeater architecture. Optimizing the noise properties of the initially distributed pairs significantly improves the rate of generating long-distance Bell pairs. Finally, we discuss the performance trade-off between spatial and temporal resources.

本文言語English
論文番号040502
ジャーナルPhysical review letters
101
4
DOI
出版ステータスPublished - 2008 7月 24

ASJC Scopus subject areas

  • 物理学および天文学(全般)

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