Bose–Einstein condensation of photons in an optical microcavity

Jan Klaers, Julian Schmitt, Frank Vewinger and Martin Weitz ()
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Jan Klaers: Institut für Angewandte Physik, Universität Bonn
Julian Schmitt: Institut für Angewandte Physik, Universität Bonn
Frank Vewinger: Institut für Angewandte Physik, Universität Bonn
Martin Weitz: Institut für Angewandte Physik, Universität Bonn

Nature, 2010, vol. 468, issue 7323, 545-548

Abstract: Condensing quantum light Bose–Einstein condensation has been observed in several physical systems, but is not predicted to occur for blackbody radiation such as photons. However, it becomes theoretically possible in the presence of thermalization processes that conserve photon number. Martin Weitz and colleagues have now realized such conditions experimentally, observing Bose–Einstein condensation of photons in a dye-filled optical microcavity. The effect is of interest for fundamental studies and may lead to new coherent ultraviolet sources.

Date: 2010
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DOI: 10.1038/nature09567

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