Realistic teleportation with linear optical elements

Details Realistic teleportation with linear optical elements Realistic teleportation with linear optical elements

2000-10-31

arxiv.org/abs/quant-ph/0010113v1

Phys. Lett. A 279, 7 (2001)

Physics

Quantum Physics

3 pages + 3 figures (fig. with better resolution available from authors)

Scientific paper

10.1016/S0375-9601(00)00784-2

We calculate the highest possible information gain in a measurement of entangled states when employing a beamsplitter. The result is used to evaluate the fidelity, averaged over all unknown inputs, in a realistic teleportation protocol that takes account of the imperfect detection of Bell states. Finally, we introduce a probabilistic teleportation scheme, where measurements are made in a partially entangled basis.

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