Quantum communications with time-bin entangled photons: long distance quantum teleportation and quantum repeaters

Details Quantum communications with time-bin entangled photons: long distance quantum teleportation and quantum repeaters Quantum communications with time-bin entangled photons: long distance quantum teleportation and quantum repeaters

2003-01-31

arxiv.org/abs/quant-ph/0301181v1

Physics

Quantum Physics

4 pages, 4 figures. Proceedings of the 6th international conference on Quantum Communication, Measurement and Computing (QCMC

Scientific paper

Using 2 km of standard telecom optical fibres, we teleport qubits carried by photons of 1310 nm wavelength to qubits in another lab carried by a photons of 1550 nm wavelength. The photons to be teleported and the necessary entangled photon pairs are created in two different non-linear crystals. The measured mean fidelity is of 81.2 %. We discuss how this could be used as quantum repeaters without quantum memories.

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