Distributing entanglement in first-generation discrete- and continuous-variable quantum repeaters

Distributing entanglement in first-generation discrete- and continuous-variable quantum repeaters
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第一代离散和连续变量量子中继器中的纠缠分布

DOI:
10.1103/physreva.106.052604
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发表时间:
2022
期刊:
Phys. Rev. A
影响因子:
--
通讯作者:
Kae Nemoto
Kae Nemoto
中科院分区:
--
文献类型:
--
作者:
Josephine Dias;Matthew S. Winnel;William J. Munro;T. C. Ralph;Kae Nemoto

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量子中继器用于克服量子态在长距离传输时获得的指数光子损失缩放。虽然用于量子信息的离散变量编码的中继器已经存在了一段时间,但是用于连续变量编码量子中继器的方法直到最近才被提出。在这项工作中,我们提出了一种使用离散变量中继器协议来分发连续变量状态的方法,并利用它来比较第一代连续变量和离散变量量子中继器之间的连续变量纠缠分发速率。这样的比较使我们能够开始对这两种截然不同的方法进行基准测试。
Quantum repeaters are used to overcome the exponential photon loss scaling that quantum states acquire as they are transmitted over long distances. While repeaters for discrete-variable encodings of quantum information have existed for some time, approaches for continuous-variable encoding quantum repeaters have only recently been proposed. In this work, we present a method of using a discrete-variable repeater protocol to distribute continuous-variable states and utilize it to compare the rates of continuous-variable entanglement distribution between first-generation continuous- and discrete-variable quantum repeaters. Such a comparison allows us to begin to benchmark the two quite different approaches.
用于基于编码测量的量子计算的混合架构。
DOI: 10.1038/srep05364
发表时间: 2014-06-20
期刊: Scientific reports
影响因子: 4.6
作者:
Zwerger M;Briegel HJ;Dür W
通讯作者: Dür W
DOI: 10.1088/1464-4266/7/10/007
发表时间: 2005-10-01
期刊: JOURNAL OF OPTICS B-QUANTUM AND SEMICLASSICAL OPTICS
影响因子: --
作者:
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DOI: 10.1038/nphoton.2010.213
发表时间: 2010-11-01
期刊: NATURE PHOTONICS
影响因子: 35
作者:
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通讯作者: Nemoto, Kae
DOI: --
发表时间: 2006
期刊: --
影响因子: --
作者:
Iroon Polytechniou-
通讯作者: Iroon Polytechniou-