Quantum state transfer and entanglement distribution among distant nodes in a quantum network

Details Quantum state transfer and entanglement distribution among distant nodes in a quantum network Quantum state transfer and entanglement distribution among distant nodes in a quantum network

1996-11-12

arxiv.org/abs/quant-ph/9611017v1

Physics

Quantum Physics

4 pages, 3 postscript figures

Scientific paper

10.1103/PhysRevLett.78.3221

We propose a scheme to utilize photons for ideal quantum transmission between atoms located at spatially-separated nodes of a quantum network. The transmission protocol employs special laser pulses which excite an atom inside an optical cavity at the sending node so that its state is mapped into a time-symmetric photon wavepacket that will enter a cavity at the receiving node and be absorbed by an atom there with unit probability. Implementation of our scheme would enable reliable transfer or sharing of entanglement among spatially distant atoms.

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