Fig. 3: Nonreciprocity performance versus the pump field intensity. | Communications Physics

Fig. 3: Nonreciprocity performance versus the pump field intensity.

From: Noiseless single-photon isolator at room temperature

Fig. 3

a The measured forward (red) and backward (blue) transmission of heralded single photons after propagating through the atomic vapour versus the pump field intensity. b The measured bandwidth of the transmission peak as the function of the pump field intensity. The experimental data (circles) agree with the theoretical calculation (solid curves). The error bars are the standard deviation.

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