Group of Applied Physics, University of Geneva, Switzerland.
(19)
Univ of Geneva, Geneve, Switz
(2)
Institut de Ciències Fotòniques, Jordi Girona 29, Edifici Nexus II, 08034 Barcelona, Spain.
(2)
Institut de Ciencies Fotoniques, E-08860 Castelldefels, Barcelona, Spain.
(2)
Universite de Nice-Sophia Antipolis, Nice, Fr
(1)
Universite de Geneve, Geneve, Switz
(1)
pDaniel Salart1, Augustin Baas1, Cyril Branciard1, Nicolas Gisin1 & Hugo Zbinden1/p p1Group of Applied Physics, University of Geneva, 20 Rue de l'Ecole de Me?decine, CH-1211 Geneva 4, Switzerland./p pAuthor Information Reprints and permissions information is available at www.nature.com/reprints. Correspondence and requests for materials should be addressed to D.S. (daniel.salart@physics.unige.ch)./p
(1)
Institute for Quantum Computing and Department of Combinatorics & Optimization, University of Waterloo, Waterloo, Ontario, N2L 3G1, Canada.
(1)
H. H. Wills Physics Laboratory, University of Bristol, Tyndall Avenue, Bristol BS8 1TL, United Kingdom.
(1)