Volume 46, Number 3, May-June 2015
|Page(s)||18 - 21|
|Published online||10 June 2015|
Little big photon
Department of Physics and Research – Laboratory of Electronics – Massachusetts Institute of Technology – Cambridge, MA, USA
A photon, the constituent particle of light, carries only a tiny amount of energy. Furthermore photons do not interact with one another in vacuum, and generally only very weakly in optical media. Nonetheless, it has recently become possible for a single photon to switch on or off hundreds of other photons, or to generate entanglement between thousands of atoms.
© European Physical Society, EDP Sciences, 2015
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