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Applied physics

Quantum signals could soon span the globe

Quantum communication offers many advantages over classical methods, but it has been limited to sending signals across a few hundred kilometres. Two studies overcome this limitation. See Article p.43 & Letter p.70

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Figure 1: Long-distance quantum communication.

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References

  1. Liao, S.-K. et al. Nature 549, 43–47 (2017).

    Article  ADS  CAS  Google Scholar 

  2. Ren, J.-G. et al. Nature 549, 70–73 (2017).

    Article  ADS  CAS  Google Scholar 

  3. Korzh, B. et al. Nature Photon. 9, 163–168 (2015).

    Article  ADS  CAS  Google Scholar 

  4. Ma, X.-S. et al. Nature 489, 269–273 (2012).

    Article  ADS  CAS  Google Scholar 

  5. Gisin, N. & Thew, R. Nature Photon. 1, 165–171 (2007).

    Article  ADS  CAS  Google Scholar 

  6. Diamanti, E., Lo, H.-K., Qi, B. & Yuan, Z. npj Quantum Inf. 2, 16025 (2016).

    Article  Google Scholar 

  7. Ursin, R. et al. in Proc. 59th Int. Astronaut. Congr. A2.1.3 (Int. Astronaut. Fed., 2008).

    Google Scholar 

  8. Bedington, R., Arrazola, J. M. & Ling, A. npj Quantum Inf. 3, 30 (2017).

    Article  ADS  Google Scholar 

  9. Pugh, C. J. et al. Quantum Sci. Technol. 2, 024009 (2017).

    Article  ADS  Google Scholar 

  10. Vallone, G. et al. Phys. Rev. Lett. 115, 040502 (2015).

    Article  ADS  Google Scholar 

  11. Günthner, K. et al. Optica 4, 611–616 (2017).

    Article  ADS  Google Scholar 

  12. Takenaka, H. et al. Nature Photon. 11, 502–508 (2017).

    Article  CAS  Google Scholar 

  13. Yin, J. et al. Science 356, 1140–1144 (2017).

    Article  CAS  Google Scholar 

  14. Valivarthi, R. et al. Nature Photon. 10, 676–680 (2016).

    Article  ADS  CAS  Google Scholar 

  15. Liao, S.-K. et al. Preprint at https://arxiv.org/abs/1611.09982 (2016).

  16. Joshi, S. K. et al. Preprint at https://arxiv.org/abs/1703.08036 (2017).

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Correspondence to Eleni Diamanti.

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Diamanti, E. Quantum signals could soon span the globe. Nature 549, 41–42 (2017). https://doi.org/10.1038/549041a

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