Experimental Test of Nonlocal Realism Using a Fiber-Based Source of Polarization-Entangled Photon Paris
NATIONAL INST OF STANDARDS AND TECHNOLOGY GAITHERSBURG MD
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We describe an experimental test of local realistic and nonlocal realistic theories using polarization-entangled two-photon singlet states created using a fiber-based polarization Sagnac interferometer. We show a violation of Bells inequality in the Clauser-Horne-Shimony-Holt form by 15 standard deviations, thus excluding local hidden-variable theories, and a violation of a Leggett-type nonlocal hidden-variable inequality by more than three standard deviations, thus excluding a class of nonlocal hidden-variable theories.
- Nuclear Physics and Elementary Particle Physics