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Experimental randomness certification with a symmetric informationally complete positive operator-valued measurement [Early Posting]

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摘要

Nonlocal correlations observed from entangled quantum particles imply the existence of intrinsic randomness. Normally, local projective measurements performed on a two-qubit entangled state can only certify one-bit randomness at most. While non-projective measurement can certify more randomness with the same quantum resources. In this paper, we carry out an experimental investigation on quantum randomness certification through a symmetric, informationally complete, positive operator-valued measurement, which in principle can certify the maximum randomness through an entangled qubit. We observe the quantum nonlocal correlations that are close to the theoretical values. In the future, this work can provide a valuable reference for the research on the limit of randomness certification.

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作者单位:

    Nanjing University of Posts and Telecommunications
    Nanjing University of Posts and Telecommunications
    Nanjing University of Posts and Telecommunications
    Nanjing University of Posts and Telecommunications
    Nanjing University of Posts and Telecommunications
    Nanjing University of Posts and Telecommunications

引用该论文

Liu Chenxi,Liu Kun,Wang Xiaorun,Wu Luyan,Li Jian,Wang Qin. Experimental randomness certification with a symmetric informationally complete positive operator-valued measurement[J].Chinese Optics Letters,2020,18(10):10.