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Quantum optics

Quantum optics

Three-photon interference measured at long last

17 Apr 2017 Hamish Johnston
Schematic of the experiment done by Thomas Jennewein and colleagues
Three's company: the experiment done by Thomas Jennewein and colleagues, showing the three-photon source (top), interferometer (bottom left) and photon detectors. (Courtesy: S Agne et al./Phys. Rev. Lett. 118 153602)
Quantum interference involving three photons has been measured by two independent teams of physicist

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Hamish Johnston is an online editor of Physics World
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