Generation of fresh and pure random numbers for loophole-free Bell tests
arXiv:1506.02712 · doi:10.1103/PhysRevLett.115.250403
Abstract
We demonstrate extraction of randomness from spontaneous-emission events less than 36 ns in the past, giving output bits with excess predictability below and strong metrological randomness assurances. This randomness generation strategy satisfies the stringent requirements for unpredictable basis choices in current "loophole-free Bell tests" of local realism [Hensen et al., Nature (London) 526, 682 (2015); Giustina et al., Phys. Rev. Lett. 115, 250401 (2015); Shalm et al., Phys. Rev. Lett. 115, 250402 (2015)].
arXiv comment4 pages + 11 supplementary, 5 + 10 figures (main + supplement)
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