Experimental realization of entangled qutrits for quantum communication

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dc.creatorThew, R. T.
dc.creatorAcin, A.
dc.creatorZbinden, H.
dc.creatorGisin, N.
dc.date2003-07-17
dc.date2004-02-05
dc.date.accessioned2026-07-07T06:30:17Z
dc.date.available2026-07-07T06:30:17Z
dc.descriptionWe have experimentally realized a technique to generate, control and measure entangled qutrits, 3-dimensional quantum systems. This scheme uses spontaneous parametric down converted photons and unbalanced 3-arm fiber optic interferometers in a scheme analogous to the Franson interferometric arrangement for qubits. The results reveal a source capable of generating maximally entangled states with a net state fidelity, F = 0.985 $\pm$ 0.018. Further the control over the system reveals a high, net, 2-photon interference fringe visibility, V = 0.919 $\pm$ 0.026. This has all been done at telecom wavelengths thus facilitating the advancement towards long distance higher dimensional quantum communication.
dc.descriptionMinor revisions. Accepted version for QIC
dc.identifierhttps://arxiv.org/abs/quant-ph/0307122
dc.identifierhttp://arxiv.org/abs/quant-ph/0307122
dc.identifierQuant. Inf. Proc. Vol. 4, No. 2 (2004) 093Â?"101
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/98304
dc.subjectQuantum Physics
dc.titleExperimental realization of entangled qutrits for quantum communication
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