Table 1 Experimental parameters used in the simulations.

From: Measurement-device-independent quantum key distribution with leaky sources

\(e_{\text{d}}\)

\(p_{\text{d}}\)

\(\eta _{\text{det}}\)

\(\alpha \)

\(f_{\text{EC}}\)

\(1\%\)

\(5\times 10^{-6}\)

0.25

0.2

1.2

  1. The parameter \(e_{\text{d}}\) is the intrinsic error rate due to the misalignment of the MDI-QKD system; \(p_{\text{d}}\) is the dark count rate of the relay’s detectors, which we assume is equal for all of them; \(\eta _{\text{det}}\) is the overall detection efficiency of the relay’s receiver; \(\alpha \) is the loss coefficient of the channel measured in dB/km; and \(f_{\text{EC}}\) is the efficiency of the error correction code.
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