Table 1 Fidelity of detecting photon in OAM eigenstate states through the double Feynman gate.
From: Implementation of double Feynman gate in high dimensional quantum systems
Input states | \(\left| {00} \right\rangle\) | \(\left| {01} \right\rangle\) | \(\left| {10} \right\rangle\) | \(\left| {11} \right\rangle\) |
|---|---|---|---|---|
\(\left| 1 \right\rangle\) | 95.6 ± 0.27% | 90.9 ± 0.39% | 92.7 ± 0.83% | 94.8 ± 0.37% |
\(\left| 0 \right\rangle\) | 90.3 ± 0.22% | 92.3 ± 0.36% | 90.7 ± 0.39% | 94.2 ± 0.34% |
\({{\left( {\left| 0 \right\rangle + \left| 1 \right\rangle } \right)} \mathord{\left/ {\vphantom {{\left( {\left| 0 \right\rangle + \left| 1 \right\rangle } \right)} {\sqrt 2 }}} \right. \kern-0pt} {\sqrt 2 }}\) | 94.7 ± 0.76% | 94.3 ± 0.43% | 92.5 ± 0.47% | 94.5 ± 0.60% |
