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One-way quantum computing with arbitrarily large time-frequency continuous-variable cluster states from a single optical parametric oscillator

机译:来自单个光学参量振荡器的具有任意大时频连续可变簇状态的单向量子计算

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摘要

One-way quantum computing is experimentally appealing because it requires only local measurements on an entangled resource called a cluster state. Record-size, but nonuniversal, continuous-variable cluster states were recently demonstrated separately in the time and frequency domains. We propose to combine these approaches into a scalable architecture in which a single optical parametric oscillator and simple interferometer entangle up to (3 x 10(3) frequencies) x (unlimited number of temporal modes) into a computationally universal continuous-variable cluster state. We introduce a generalized measurement protocol to enable improved computational performance on this entanglement resource.
机译:单向量子计算在实验上很有吸引力,因为它只需要在被称为簇状态的纠缠资源上进行局部测量即可。最近在时域和频域分别证明了记录大小但非通用的连续变量簇状态。我们建议将这些方法组合成可伸缩的体系结构,其中单个光学参量振荡器和简单的干涉仪将高达(3 x 10(3)频率)x(无限数量的时间模式)缠结成计算通用连续变量簇状态。我们引入了一种通用的测量协议,以在这种纠缠资源上实现更高的计算性能。

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