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We report an experimental violation of a Bell inequality with strong statistical significance. Our experiment employs polarization measurements on entangled single photons and closes the locality, freedom-of-choice, fair-sampling, coincidence-time, and memory loopholes simultaneously.
Standard methods of analyzing Bell's inequalities are fundamentally flawed when it comes to ruling out local realism. Here we present a powerful analysis technique that can falsify local realism in a certifiable manner.
We demonstrate a source of entangled photon pairs based on standard polarization-maintaining fiber in a novel architecture. Sections of fibre are spliced together with perpendicular polarization axes, allowing single-path entanglement generation.
Imagine ... a world without density matrices! A scheme to perform arbitrary POVMs is proposed and a SIC-POVM is implemented on a qutrit. The Quantum Law of Total Probability is verified.
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