Detection efficiency characteristics of free-running InGaAs/InP single photon detector using passive quenching active reset IC

Zheng Fu^{1, 2}, Wang Chao^{1, 3}, Sun Zhi-Bin¹, Zhai Guang-Jie^{1, †,}

Extracted pre-factorC(square, right axis) and de-trapping timeτ_tr(circle, left axis) versus photon flux.