Practical limitations in optical entanglement purification

Details Practical limitations in optical entanglement purification Practical limitations in optical entanglement purification

2005-11-30

arxiv.org/abs/quant-ph/0511268v1

Phys. Rev. A 73, 030301(R) (2006)

Physics

Quantum Physics

4 pages, 4 figures

Scientific paper

10.1103/PhysRevA.73.030301

Entanglement purification protocols play an important role in the distribution of entangled systems, which is necessary for various quantum information processing applications. We consider the effects of photo-detector efficiency and bandwidth, channel loss and mode-mismatch on the operation of an optical entanglement purification protocol. We derive necessary detector and mode-matching requirements to facilitate practical operation of such a scheme, without having to resort to destructive coincidence type demonstrations.

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