A single dielectric metasurface generates and disentangles path-entangled two-photon NOON states and acts as a phase-sensitive quantum interferometer with 86.8% fringe visibility.
Strong loophole-free test of local realism
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Metasurface interferometry towards quantum sensors
A single dielectric metasurface generates and disentangles path-entangled two-photon NOON states and acts as a phase-sensitive quantum interferometer with 86.8% fringe visibility.