Photoelectron counting in quantum optics
Photoelectron counting in quantum optics
Photoelectron counting in quantum optics
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Overview: photons, photon-<strong>count<strong>in</strong>g</strong>, fluctuationsCount<strong>in</strong>g photonsCount<strong>in</strong>g photons, but......‘the eternal question: what is a photon’.‘What is light ?’E<strong>in</strong>ste<strong>in</strong> 1951: ‘...these days everyfool pretends to know what a photonis. I have been th<strong>in</strong>k<strong>in</strong>g about thisfor the whole of my life, and Ihaven’t found the answer‘.