Physics – Quantum Physics
Scientific paper
2008-11-20
Phys. Rev. A 79 (2009) 044102
Physics
Quantum Physics
4 pages, 1 figure
Scientific paper
10.1103/PhysRevA.79.044102
Recently a test of nonclassicality for a single qubit was proposed [R. Alicki and N. Van Ryn, J. Phys. A: Math. Theor. 41, 062001 (2008)]. We present an optimized experimental realization of this test leading to a 46 standard deviation violation of classicality. This factor of 5 improvement over our previous result was achieved by moving from the infrared to the visible where we can take advantage of higher efficiency and lower noise photon detectors.
Brida Giorgio
Degiovanni Ivo Pietro
Genovese Marco
Gisin Nicolas
Migdall Alan
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