Fig. 1: Schematic of the avalanche photodetector and energy band structure.

a Three-dimensional view and b cross-section view of the HgCdTe photodetector. The band structures at c low bias and d high reverse bias are shown, respectively.
a Three-dimensional view and b cross-section view of the HgCdTe photodetector. The band structures at c low bias and d high reverse bias are shown, respectively.