Fig. 3: An efficient optical interface.

a, PSB fluorescence as a function of saturation parameter, s = P/Psat. b, Histogram of photon counts per readout pulse after the state is initialized into the |0〉 (purple) or |1〉 (orange) state. The inset shows the fidelity as a function of readout time. c, Probability of detecting N consecutive photons at a 0.38 MHz generation rate.