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Scalable Generation and Characterization of a Four-Photon Twelve-Qubit Hyperentangled State

An experimentally feasible scheme for generating a 12-qubit hyperentangled state via four photons, entangled in polarization, frequency and spatial mode, is proposed. We study the nature of quantum non-locality of this hyperentangled state by evaluating its violation degree to a Bell-type inequality, and find that the result agrees well with quantum mechanics prediction while extremely contradicts to the local realism constraint.

preprint2011arXivOpen access
Kun DuCong-Feng Qiao
hep-phquant-ph
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Kun DuCong-Feng Qiao

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