A finite-key security proof for decoy-state BB84 against coherent attacks that incorporates correlations from Alice's encoder with only partial characterization.
Note that we can divideZ nK A =Z nK,(1) A Z nK,(rest) A ,X nK A =X nK,(1) A X nK,(rest) A andX nK B =X nK,(1) B X nK,(rest) B based on the photon number
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Security of decoy-state quantum key distribution with correlated bit-and-basis encoders
A finite-key security proof for decoy-state BB84 against coherent attacks that incorporates correlations from Alice's encoder with only partial characterization.