Table 1 Summary of measured parameters for on-chip graph states
From: Programmable four-photon graph states on a silicon chip
State | Fidelity | \({\mathscr{M}}_{\boldsymbol{II}}^{\boldsymbol{G}}\) (2,4) | \({\mathscr{{M}}}_{\boldsymbol{III}}^{\boldsymbol{G}}\) | Count rate | Counts |
|---|---|---|---|---|---|
|S4〉 | 0.78 ± 0.01 | 3.17 ± 0.07 | 12.45 ± 0.13 (12, 16) | 5.7 mHz | 2640 |
|L4〉 | 0.68 ± 0.02 | 2.61 ± 0.13 | 10.93 ± 0.29 (12, 16) | 1.1 mHz | 1085 |
|S4〉1,3,4 | 0.77 ± 0.01 | 2.79 ± 0.09 | 6.16 ± 0.11 (6, 8) | 3.3 mHz | 1142 |
|S4〉1,4 | 0.83 ± 0.02 | – | 3.32 ± 0.09 (2, 4) | 4.0 mHz | 416 |
|S4〉3,4 | 0.83 ± 0.02 | – | 3.31 ± 0.09 (2, 4) | 4.1 mHz | 369 |
|Φ+〉1,3 | 0.97 ± 0.01 | 2.79 ± 0.01a | 3.90 ± 0.03 (2, 4) | 1.8 kHz | 38003 |
|Φ+〉2,4 | 0.97 ± 0.01 | 2.71 ± 0.01a | 3.88 ± 0.03 (2, 4) | 1.9 kHz | 41769 |
