engleski

Loophole-Free Four Photon EPR Experiment

A loophole--free four photon EPR experiment requiring only 67% detection efficiency which prepares independent photons into a non-maximal singlet-like spin state by means of an asymmetrical beam splitter is proposed. The experiment does not suffer from the usual poor net detection efficiency and can therefore serve to close the low detection efficiency, the no enhancement, and the spacelike separation loophole.

four photon experiment; intensity interference; loophole-free EPR experiment; entaglement

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