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Remote-controlled quantum computing by quantum entanglement
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DOI：10.1364/OL.401921.png)
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Abstract
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Quantum entanglement enables measurement on one party to affect the other's state. Based on this peculiar feature, we propose a model of remote-controlled quantum computing and design an optical scheme to realize this model for a single qubit. As an experimental demonstration of this scheme, we further implement three Pauli operators, Hardmard gate, phase gate, and pi/8 gate. The minimal fidelity obtained by quantum process tomography reaches 82%. Besides, as a potential application, our model contributes to secure remote quantum information processing. (C) 2020 Optical Society of America
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