Phys. Rev. Lett. 39, 691–695 (1977)Photon Antibunching in Resonance FluorescenceReceived 22 July 1977; published in the issue dated 12 September 1977 The phenomenon of antibunching of photoelectric counts has been observed in resonance fluorescence experiments in which sodium atoms are continuously excited by a dye-laser beam. It is pointed out that, unlike photoelectric bunching, which can be given a semiclassical interpretation, antibunching is understandable only in terms of a quantized electromagnetic field. The measurement also provides rather direct evidence for an atom undergoing a quantum jump. © 1977 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.39.691
DOI:
10.1103/PhysRevLett.39.691
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