Table 2 Averaged QBER, A-SKR and F-SKR \(\left({n}_{R}^{Z}=1{0}^{8}\right)\) measured under different CRs for the fibre spool distance of 80 km

From: High-rate intercity quantum key distribution with a semiconductor single-photon source

CR (MHz)

QBER (%)

A-SKR (kbits s−1)

F-SKR (kbits s−1)

76

0.344

28.12

14.19

228

0.099

67.97

33.88

608

0.089

151.57

75.93

1063

0.064

216.74

108.36

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