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Nature Photonics 3, 317–319 (1 June 2009) | doi:10.1038/nphoton.2009.84
Quantum photonics: Quantum optics on a chip
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Abstract
In the latest work from the quantum photonics group at the University of Bristol, described on page 346 of this issue, Jonathan Matthews and colleagues report the construction of a reconfigurable quantum optical circuit on a chip and the control of entangled states with up to four photons. The heart of their device is a simple heating element that changes the phase in one arm of an interferometer.
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