Experimental high fidelity six-photon entangled state for telecloning protocols
arXiv:0906.1530 · doi:10.1088/1367-2630/11/10/103016
Abstract
We experimentally generate and characterize a six-photon polarization entangled state, which is usually called "Psi 6 +". This is realized with a filtering procedure of triple emissions of entangled photon pairs from a single source, which does not use any interferometric overlaps. The setup is very stable and we observe the six-photon state with high fidelity. The observed state can be used for demonstrations of telecloning and secret sharing protocols.
11 pages, 3 figures
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