You-Qi Nie

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X iv :1 40 1. 25 94 v1 [ qu an tph ] 1 2 Ja n 20 14 Practical and fast quantum random number generation based on photon arrival time relative to external reference You-Qi Nie, 2 Hong-Fei Zhang, Zhen Zhang, Jian Wang, Xiongfeng Ma, 2 Jun Zhang, 2, a) and Jian-Wei Pan 2 Hefei National Laboratory for Physical Sciences at the Microscale and Department of Modern(More)
The randomness from a quantum random number generator (QRNG) relies on the accurate characterization of its devices. However, device imperfections and inaccurate characterizations can result in wrong entropy estimation and bias in practice, which highly affects the genuine randomness generation and may even induce the disappearance of quantum randomness in(More)
We present a real-time and fully integrated quantum random number generator (QRNG) by measuring laser phase fluctuations. The QRNG scheme based on laser phase fluctuations is featured for its capability of generating ultra-high-speed random numbers. However, the speed bottleneck of a practical QRNG lies on the limited speed of randomness extraction. To(More)
The speed of a quantum random number generator is essential for practical applications, such as high-speed quantum key distribution systems. Here, we push the speed of a quantum random number generator to 68 Gbps by operating a laser around its threshold level. To achieve the rate, not only high-speed photodetector and high sampling rate are needed but also(More)
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