Y.-A. Chen, S. Chen, Z.-S. Yuan, B. Zhao, C. Chuu, H.-J. Schmiedmayer, J.-W. Pan:
"Memory-built-in quantum teleportation with photonic and atomic qubits";
Nature Physics, 4 (2008), S. 103 - 107.

Kurzfassung englisch:
The combination of quantum teleportation1 and quantum memory2-5 of photonic qubits is essential for future implementations of large-scale quantum communication6 and measurement-based quantum computation7,8. Both steps have been achieved separately in many proof-of-principle experiments9-14, but the demonstration of memory-built-in teleportation of photonic qubits remains an experimental challenge. Here, we demonstrate teleportation between photonic (flying) and atomic (stationary) qubits. In our experiment, an unknown polarization state of a single photon is teleported over 7 m onto a remote atomic qubit that also serves as a quantum memory. The teleported state can be stored and successfully read out for up to μ8 s. Besides being of fundamental interest, teleportation between photonic and atomic qubits with the direct inclusion of a readable quantum memory represents a step towards an efficient and scalable quantum network2-8.

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