Table 2 Post-processing of raw key in the sifting step. Bob flips his bits to ensure correct correlation with Alice’s bit.
Alice and Bob | Charlie’s measurement results | |
|---|---|---|
\(|\Psi \rangle ^{+}\) | \(|\Psi \rangle ^{-}\) | |
Vector basis | Bit flip | Bit flip |
Scalar basis | Bit flip | Bit flip |