Figure 6
From: A low-noise single-photon detector for long-distance free-space quantum communication
Detector characteristics of C30902SH: (a) APD breakdown voltage, (b) DCR, (c) detection efficiency, and (d) afterpulsing probability. The latter two were measured at 14Â V over breakdown voltage. The data points denoted by red diamonds were measured several months later than the rest of the data