Figure 2
From: Heralded Quantum Entanglement between Distant Matter Qubits

Probability (solid blue line)of photon emission from cavity A and the FWHM (dashed red line) of the emitted spectra versus the cavity coupling rate g1 with κ1 = 5.0 and γ1 = 0.05 (unit of x axis is κ1/5).