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QUANTUM COMMUNICATION

Predictably random

Nature Physics volume 17, pages 431–432 (2021)Cite this article

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Two experiments using entangled photons have successfully generated more randomness than consumed — at a level of security that is all but certain. They did so by exploiting non-locality, one of the most counterintuitive aspects of quantum mechanics.

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Fig. 1: Quantum and device-independent random number generators.

References

  1. Shalm, L. K. et al. Nat. Phys. https://doi.org/10.1038/s41567-020-01153-4 (2021).

    Article  Google Scholar 

  2. Liu, W.-Z. et al. Nat. Phys. https://doi.org/10.1038/s41567-020-01147-2 (2021).

    Article  Google Scholar 

  3. Colbeck, R. Quantum and Relativistic Protocols For Secure Multi-Party Computation. PhD thesis, Univ. Cambridge (2007).

  4. Colbeck, R. & Kent, A. J. Phys. A 44, 095305 (2011).

    Article  ADS  MathSciNet  Google Scholar 

  5. Pironio, S. et al. Nature 464, 1021–1024 (2010).

    Article  ADS  Google Scholar 

  6. Miller, C. A. & Shi, Y. SIAM J. Comput. 46, 1304–1335 (2017).

    Article  MathSciNet  Google Scholar 

  7. Zhang, Y., Knill, E. & Bierhorst, P. Phys. Rev. A 98, 040304(R) (2018).

    Article  ADS  Google Scholar 

  8. Dupuis, F., Fawzi, O. & Renner, R. Commun. Math. Phys. 379, 867–913 (2020).

    Article  ADS  Google Scholar 

Download references

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  1. University of Bristol, Bristol, UK

    Paul Skrzypczyk

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  1. Paul Skrzypczyk
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Correspondence to Paul Skrzypczyk.

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The author declares no competing interests.

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Skrzypczyk, P. Predictably random. Nat. Phys. 17, 431–432 (2021). https://doi.org/10.1038/s41567-021-01177-4

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