A finite-correlation-secure QKD protocol generates key under arbitrary finite-range source correlations using only a known vacuum probability bound.
After N rounds of state preparation and the click announcement of Charlie , sA and sB of clicked rounds are kept as sifted key bits
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Side-channel-secure quantum key distribution with correlated sources
A finite-correlation-secure QKD protocol generates key under arbitrary finite-range source correlations using only a known vacuum probability bound.