photodetector

[ foh-toh-di-tek-ter ]

noun

1. photosensor.
2. Electronics. any device, as a photodiode, phototube, or photovoltaic cell, that uses the photoelectric effect to convert radiant energy into an electrical signal.

Word History and Origins

Origin of photodetector¹

First recorded in 1945–50; photo- + detector

Example Sentences

As the light hits the photodetectors, it produces an oscillating current, which in turn generates microwave pulses that can be used to either alter or measure the state of the qubit.

From Singularity Hub