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quant-ph2019★ 128 cited
Asymptotic security of continuous-variable quantum key distribution with a discrete modulation
Shouvik Ghorai, Philippe Grangier, Eleni Diamanti +1
We establish a lower bound on the asymptotic secret key rate of continuous-variable quantum key distribution with a discrete modulation of coherent states. The bound is valid again…
quant-ph2009★ 24 cited
Security of continuous-variable QKD: exploiting symmetries in phase space
Anthony Leverrier, Evgueni Karpov, Philippe Grangier +1
Proving the unconditional security of a quantum key distribution (QKD) scheme is a highly challenging task as one needs to determine the most efficient attack compatible with exper…