In recent years, significant progress has been made towards putting information theory on the footing of quantum mechanics. Researchers have now shown how optical fibres with zero quantum capacity can be super-activated to allow for perfect quantum communication.
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Giedke, G., Wolf, M. Super-activated channels. Nature Photon 5, 578–580 (2011). https://doi.org/10.1038/nphoton.2011.223
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DOI: https://doi.org/10.1038/nphoton.2011.223
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