Measured responsivity and detectivity as a function of applied bias. For Ge/Si QDIPs whose PC spectra are presented in Figures 2 and 3. For the sample with bottom doping, the data were taken at λ = 3 μm. For the sample with top doping, the peak responsivity and detectivity (λ = 3.4 μm) are shown.
Yakimov et al. Nanoscale Research Letters 2012 7:494 doi:10.1186/1556-276X-7-494