Figure 2
From: Dephasing by optical phonons in GaN defect single-photon emitters

(a) The second order correlation function \(g^{(2)}(\tau )\) of emitter E3 is plotted. \(g^{(2)}(0)=0.17\). (b) \(g^{(2)}(\tau )\) of emitter E4 is plotted. \(g^{(2)}(0)=0.19\). The solid lines show the fits obtained using the expression given in the text.