Fig. 3: Demonstration of interference ability of our interferometer.
From: Temporal Wheeler’s delayed-choice experiment based on cold atomic quantum memory
a–e The interference pattern with different storage efficiency of spin-wave in memory C. The red curves are fitted by \(N| \sqrt{1-{\eta }_{1{\rm{con}}}}\sqrt{{\eta }_{2}}+\sqrt{{\eta }_{1}}{e}^{i{\varphi }_{{\rm{EOM}}}}{| }^{2}\) (where N = 568 ± 40, η1 = 0.122 ± 0.011, η1con = 0.850, and η2 = 0.331, 0.259, 0.114, 0.015, 0 for (a)–(e) respectively). The error bars represent one standard deviation. f The simulated interference ability of interferometer with the change of η2 (where N = 568, η1 = 0.122, η1con = 0.850).
