Interrogation schemes based on quantum physics look set to push the data-handling capabilities of optical communication channels to new levels of performance.
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Banaszek, K. Approaching the quantum limit. Nature Photon 6, 351–353 (2012). https://doi.org/10.1038/nphoton.2012.121
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DOI: https://doi.org/10.1038/nphoton.2012.121