Direct generation of photon triplets using cascaded photon-pair sources
Hübel, Hannes ; Jennewein, Thomas ; Hamel, Deny R ; Fedrizzi, Alessandro ; Ramelow, Sven ; Resch, Kevin J
Nature (London), 2010-07, Vol.466 (7306), p.601-603 [Periódico revisado por pares]London: Nature Publishing Group
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