Ge-based triple-band infrared photodetector

J Zhu, H Xu, K Li, H Zhu, N Dai, H Wu - Applied Physics Express, 2018 - iopscience.iop.org
A triple-band infrared photodetector is developed by doping sulfur into germanium. The
photocurrent spectrum at 20 K shows that there are three response bands at about 1.4, 1.6 …