The race of distributing provable-secure encryption keys by means of quantum key distribution over ever-increasing distances is on. A surprising development has now led to a new result that may affect how we build future quantum networks.
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Tittel, W. Quantum key distribution breaking limits. Nat. Photonics 13, 310–311 (2019). https://doi.org/10.1038/s41566-019-0424-4
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DOI: https://doi.org/10.1038/s41566-019-0424-4
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