Table 1 Compare our work with other free-space QKD experiments
From: Free-space continuous-variable quantum key distribution under high background noise
| Â | This work | Ref. 24 | Ref. 19 | Ref. 21 |
|---|---|---|---|---|
Link length (m) | 860 | 460 | 145 | 20000 |
Protocol | GMCS CV-QKD | unidimensional CV-QKD | Decoy-state BB84 | Decoy-state BB84 |
Weather condition | Sunny day and moderate rainfall | Clear Night | Sunny day | Clear day |
Secure key rate (kbps) | 40 (finite-size) | 0.152 (asymptotic) | 30 (finite-size) | 0.495 (finite-size) |
