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Phys Rev Lett. 2012 Sep 28;109(13):130503. Epub 2012 Sep 28.

Reversible optical-to-microwave quantum interface.

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School of Science and Technology, Physics Division, University of Camerino, Camerino, Macerata 62032, Italy.


We describe a reversible quantum interface between an optical and a microwave field using a hybrid device based on their common interaction with a micromechanical resonator in a superconducting circuit. We show that, by employing state-of-the-art optoelectromechanical devices, one can realize an effective source of (bright) two-mode squeezing with an optical idler (signal) and a microwave signal, which can be used for high-fidelity transfer of quantum states between optical and microwave fields by means of continuous variable teleportation.

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