CAS scientists produce quantum nonlocality from local contextuality

Scientists at the CAS Key Laboratory of Quantum Information have designed a beam splitter which allowed to generate a two-photon Qbit hyper-entangled state with high fidelity. The experimental results show that single-particle contextuality and two-party nonlocality can coexist, essential for device-independent secure communication and for fault-tolerant universal quantum computation.

CAS news release, November 30, 2016

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