Experimental Test of Bell's Inequalities Using Time- Varying Analyzers
Alain AspectInstitut d'Optique Théorique et Appliquée, F-91406 Orsay Cédex, FranceJean DalibardInstitut d'Optique Théorique et Appliquée, F-91406 Orsay Cédex, FranceGérard RogerInstitut d'Optique Théorique et Appliquée, F-91406 Orsay Cédex, France
1982en
ABI
Abstract
Correlations of linear polarizations of pairs of photons have been measured with time-varying analyzers. The analyzer in each leg of the apparatus is an acousto-optical switch followed by two linear polarizers. The switches operate at incommensurate frequencies near 50 MHz. Each analyzer amounts to a polarizer which jumps between two orientations in a time short compared with the photon transit time. The results are in good agreement with quantum mechanical predictions but violate Bell's inequalities by 5 standard deviations.
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