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A proposed device would extend a quantum entanglement scheme previously demonstrated for visible photons into the microwave regime, where it could boost radar performance.
Qubits based on trapped ions can be prepared and manipulated with record-breaking accuracy, offering a promising scalable platform for quantum computing.
Researchers characterize a single-photon source, proving it emits nonclassical states of light that may be useful for quantum communication schemes.
The combination of several quantum states that are local can yield a nonlocal state.