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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.
An experimental demonstration of a novel quantum analysis tool will allow diagnosis of entanglement in a much broader set of states.
A secure communication channel that relies on quantum entanglement survives despite the noisy break up of the entanglement itself.