The researchers created an ultra-fast, highly sensitive avalanche photodiode (APD) that produces electronic "noise" that is smaller than other silicon competing products.
APD is a semiconductor device that utilizes the "photoelectric effect" (produced when light is irradiated onto a material) and is particularly sensitive, capable of converting light into electricity. Faster, more sensitive APDs are needed around the world for high-speed data communication applications and light detection and ranging (lidar) systems for self-driving cars.