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arXiv quant-ph/0610115quant-ph
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一种不用数分辨光子探测器的光学双光子态产生方案

Alternate Scheme for Optical Cluster-State Generation without Number-Resolving Photon Detectors

Mark M. Wilde, Federico Spedalieri, Jonathan P. Dowling, Hwang Lee

摘要:

利用不能分辨光子数的光电探测器,设计了一种用于线性光学量子计算的可控相位门。本征误差校正电路校正由检测器引入的误差。我们的控制相位门有1/4的成功概率。簇态量子计算的最新发展表明,具有非零成功概率的两量子比特门可以仅用多项式开销构建任意大的簇态。因此,它是可能的,以产生光学集群状态,而无需数解析检测器和多项式开销。

英文摘要:

We design a controlled-phase gate for linear optical quantum computing by using photodetectors that cannot resolve photon number. An intrinsic error-correction circuit corrects errors introduced by the detectors. Our controlled-phase gate has a 1/4 success probability. Recent development in cluster-state quantum computing has shown that a two-qubit gate with non-zero success probability can build an arbitrarily large cluster state with only polynomial overhead. Hence, it is possible to generate optical cluster states without number-resolving detectors and with polynomial overhead.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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