Experimental high fidelity six-photon entangled state for telecloning protocol
نویسندگان
چکیده
We experimentally generate and characterize a six-photon polarization entangled state, which is usually called “Ψ+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 sixphoton state with high fidelity. The observed state can be used for demonstrations of telecloning and secret sharing protocols. PACS numbers: 03.67.-a, 03.67.Hk, 03.65.Ud, 42.65.Lm
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