Table 1 Comparison with state of the art experiments
From: Boosting the secret key rate in a shared quantum and classical fibre communication system
Rate CC, Rx power | Rate QC | Distance,loss | Protocol | Decoy | Operation | Classical MUX | Detector | |
|---|---|---|---|---|---|---|---|---|
This work (only QC) | – | 105.7 Mbit s\({}^{-1}\) | 7.9 km, 3.75 dB | 3-states BB84 | 1-decoy | finite key | – | SNSPDs |
Ref. 57 | – | 26 Mbit s\({}^{-1}\) | 4 dB | 4-D BB84 | 2-decoy | finite key | – | SNSPDs |
Ref. 11 | CW light, −23 dBm | 10 kbit s\({}^{-1}\) | 100 km, 18 dB | BB84 | 2-decoy | finite key | WDM C-band | Self-differencing InGaAs SPDs |
Ref. 41 | 20 Gbit s\({}^{-1}\), −13.5 dBm per ch. | 605 kbit s\({}^{-1}\) | 53 km, 13.5 dB | BB84 | 2-decoy | real-time | SDM+WDM C-band | Self-differencing InGaAs SPDs |
Ref. 42 | 200 Gbit s\({}^{-1}\), −36 dBm per ch. | 1.9 Mbit s\({}^{-1}\) | 35.5 km, 6.8 dB | BB84 | 2-decoy | finite key | WDM C-band | Self-differencing InGaAs SPDs |
This work (QC+CC) | 370 Gbit s\({}^{-1}\), −34 dBm per ch. | 62.8 Mbit s\({}^{-1}\) | 7.9 km, 3.75 dB | 3-states BB84 | 1-decoy | finite key | SDM+WDM C-band | SNSPDs |
Ref. 43 | 3.6 Tbit s\({}^{-1}\), 8.7 dBm | 4.5 kbit s\({}^{-1}\) | 66 km, 19.83 dB | BB84 (O-band) | 2-decoy | real-time | WDM C-band | Self-differencing InGaAs SPDs |
Ref. 44 | 6.38 Tbit s\({}^{-1}\), −1 dBm | 14.8 kbit s\({}^{-1}\) | 50 km, 16.5 dB | BB84 (O-band) | 2-decoy | real-time | WDM C-band | Self-differencing InGaAs SPDs |
