Photon Antibunching in Resonance Fluorescence

Phys. Rev. Lett. 39, 691 – Published 12 September 1977
H. J. Kimble, M. Dagenais, and L. Mandel


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.


  • Received 22 July 1977
  • Published in the issue dated 12 September 1977

© 1977 The American Physical Society

Authors & Affiliations

H. J. Kimble*, M. Dagenais, and L. Mandel

  • Department of Physics and Astronomy, University of Rochester, Rochester, New York 14627

  • *Present address: General Motors Research Laboratories, Warren, Mich. 48063.

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