Remote preparation of an atomic quantum memory

Details Remote preparation of an atomic quantum memory Remote preparation of an atomic quantum memory

2006-08-29

arxiv.org/abs/quant-ph/0608229v1

Physics

Quantum Physics

Scientific paper

10.1103/PhysRevLett.98.050504

Storage and distribution of quantum information are key elements of quantum information processing and quantum communication. Here, using atom-photon entanglement as the main physical resource, we experimentally demonstrate the preparation of a distant atomic quantum memory. Applying a quantum teleportation protocol on a locally prepared state of a photonic qubit, we realized this so-called remote state preparation on a single, optically trapped 87Rb atom. We evaluated the performance of this scheme by the full tomography of the prepared atomic state, reaching an average fidelity of 82%.

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