Semiconductor Content in Automotive LiDARs

08 December 2023 by Dr James Jeffs
At the heart of LiDARs are laser emitters, laser drivers and photoreactors, all of which are semiconductor devices. This premium article explains why GaN is a typical choice for laser drivers regardless of LiDAR type, however the semiconductor used in the emitter and photodetector depends on the wavelength that the LiDAR is intended to operate at. This premium article explains the semiconductor choices available for laser emitters and photodetectors, covers the fabrication process of each and shows how much semiconductor material it takes to make a single diode.
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