Information extraction and quantum state distortions in continuous variable quantum teleportation

Details Information extraction and quantum state distortions in continuous variable quantum teleportation Information extraction and quantum state distortions in continuous variable quantum teleportation

2001-10-22

arxiv.org/abs/quant-ph/0110127v1

Proceedings of the 7th international symposium on Foundations of Quantum Mechanics in the Light of New Technology, edited by Y

Physics

Quantum Physics

4 pages Latex, contribution to the proceedings of the ISQM'01 conference held August 27th to 30th in Tokyo

Scientific paper

We analyze the loss of fidelity in continuous variable teleportation due to
non-maximal entanglement. It is shown that the quantum state distortions
correspond to the measurement back-action of a field amplitude measurement.
Results for coherent states and for photon number states are presented.

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