Tiny 'on-chip detectors' count individual photons
Thursday, March 17, 2011 - 16:50
in Physics & Chemistry
A team of researchers has integrated tiny detectors capable of counting individual photons on computer chips. These detectors, called 'single-photon avalanche diodes (SPAD),' act like mini Geiger counters, producing a 'tick' each time a photon is detected...