Fig. 2: Experimental observation of the non-reciprocity in hot atoms. | Communications Physics

Fig. 2: Experimental observation of the non-reciprocity in hot atoms.

From: Noiseless single-photon isolator at room temperature

Fig. 2

a The forward (red) and backward (blue) propagation transmission spectra as a function of the weak probe field detuning Δs at the temperature of 80 °C. b The forward (green) and backward (brown) coincidence counts for 300 s as a function of the delay time τ with a temporal bin width of 1 ns.

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