Table 1 The values of normalized correlation variances for different combinations
From: Establishing and storing of deterministic quantum entanglement among three distant atomic ensembles
Correlation variances for different combinations | Values for input submodes (dB) | Values for atomic spin waves (dB) | Values for released submodes (dB) |
|---|---|---|---|
\(\langle {{\delta ^2}( {{{\hat X}_2} - {{\hat X}_3}})}\rangle\) | −3.30 ± 0.05 | −0.56 ± 0.03 | −0.37 ± 0.03 |
\(\langle {{\delta ^2}( {{g_1}{{\hat P}_1} + {{\hat P}_2} + {{\hat P}_3}})}\rangle\) | −2.93 ± 0.05 | −0.15 ± 0.02 | −0.10 ± 0.02 |
\(\langle {{\delta ^2}( {{{\hat X}_1} - {{\hat X}_3}})}\rangle\) | −3.25 ± 0.05 | −0.53 ± 0.03 | −0.35 ± 0.03 |
\(\langle {{\delta ^2}( {{{\hat P}_1} + {g_2}{{\hat P}_2} + {{\hat P}_3}})}\rangle\) | −2.91 ± 0.05 | −0.15 ± 0.02 | −0.10 ± 0.02 |
\(\langle {{\delta ^2}( {{{\hat X}_1} - {{\hat X}_2}} )} \rangle\) | −3.25 ± 0.05 | −0.52 ± 0.03 | −0.34 ± 0.03 |
\(\langle {{\delta ^2}( {{{\hat P}_1} + {{\hat P}_2} + {g_3}{{\hat P}_3}} )} \rangle\) | −2.90 ± 0.05 | −0.14 ± 0.02 | −0.09 ± 0.02 |
