Remote preparation of an atomic quantum memory

Abstract

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%.

References in corpus (4)

• Scalable multi-particle entanglement of trapped ions
• Quantum teleportation between light and matter
• Experimental demonstration of quantum memory for light
• Remote state preparation: arbitrary remote control of photon polarization

Cited by in corpus (9)

• Quantum Walk in Position Space with Single Optically Trapped Atoms
• Distributed Quantum Computation Based-on Small Quantum Registers
• Interfacing light and single atoms with a lens
• Long-distance atom-photon entanglement
• Bell test for the free motion of material particles
• Spin-Photon Entangling Diode
• Storing quantum states in bosonic dissipative networks
• Robust Cryptography in the Noisy-Quantum-Storage Model
• Remote generation of entanglement for individual atoms via optical fibers