Table 1 Comparison of notable parameters from prepare-and-measure QKD experiments conducted in the last decade with similar physical channels, as indicated by the column showing loss and length
From: Practical continuous-variable quantum key distribution with composable security
Protocol implementation keywords | Loss/ Length [dB/km] | μ [PNU] | ξu [PNU] | ξQ [%] | B [MHz] | N( × 109) [symbols] | SKF [bits/symbol] | |
|---|---|---|---|---|---|---|---|---|
Huang et al. (ref. 33) | CV, Gaussian, Homodyne via RLO | 5.0/25.0 | 2.00 | 0.025* | 100 | 0.02 | 0.0010* | |
Xu et al. (ref. 40) | DV, phase coding, Avalanche diode | 4.5/20.0 | 0.37 | 2.73 | 5 | 7.84 | 0.0001* | |
Islam et al. (ref. 41) | DV, time-bin coding, Superconducting | 4.0/20.0 | 0.45 | 5.49 | 2500 | 62.5 | 0.0105 | |
Wang et al. (ref. 20) | CV, Gaussian, Heterodyne via RLO | 5.0/25.0 | 1.62 | 0.011 | 100 | 0.01 | 0.0185 | |
Zhang et al. (ref. 21) | CV, Gaussian, Homodyne via TLO | 4.4/27.3 | 7.19 | 0.002 | 5 | 100 | 0.0560 | |
Current work | CV, Gaussian, Heterodyne via RLO | 4.6/20.3 | 1.45 | 0.005 | 100 | 1 | 0.0471 |
