Method and Apparatus for Fault-Tolerant Quantum Communication Based on Solid-State Photon Emitters
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    发明申请
    Method and Apparatus for Fault-Tolerant Quantum Communication Based on Solid-State Photon Emitters 有权
    基于固态光子发射器的容错量子通信方法与装置

    公开(公告)号:US20110222848A1

    公开(公告)日:2011-09-15

    申请号:US12090020

    申请日:2006-10-11

    IPC分类号: H04B10/08 H01L39/00 H01L39/24

    CPC分类号: H04B10/30 H04B10/70

    摘要: A novel method and apparatus for long distance quantum communication in realistic, lossy photonic channels is disclosed. The method uses single emitters of light as intermediate nodes in the channel. One electronic spin and one nuclear spin coupled via the contact hyperfine interaction in each emitter, provide quantum memory and enable active error purification. It is shown that the fixed, minimal physical resources associated with these two degrees of freedom suffice to correct arbitrary errors, making our protocol robust to all realistic sources of decoherence. The method is particularly well suited for implementation using recently-developed solid-state nano-photonic devices.

    摘要翻译: 公开了一种用于实际的有损光子通道中的长距离量子通信的新颖方法和装置。 该方法使用单个光发射器作为通道中的中间节点。 通过每个发射器中的接触超精细相互作用耦合一个电子自旋和一个核自旋,提供量子记忆并实现主动误差净化。 显示与这两个自由度相关联的固定的最小物理资源足以纠正任意错误,使得我们的协议对所有真实的去相干来源都是稳健的。 该方法特别适用于使用最近开发的固态纳米光子器件的实现。