CMOS-Compatible Photodetector Spurs Possibilities in the Extended SWIR . MONTREAL, May 27, 2022 — High-bandwidth germanium-tin (GeSn) photodetector s, developed by a team at Polytechnique Montréal to support CMOS-compatible technologies in the extended shortwave infrared (e-SWIR) wavelength, could open the way for applications in ultrafast spectroscopy , next-generation optical communications, artificial intelligence , and other emerging areas.Schematic of the ...