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Experimental realization of entangled qutrits for quantum communication

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Published in Quantum Information and Computation. 2004, vol. 4, no. 2, p. 093-101
Abstract We have experimentally realized a technique to generate, control and measure entan- gled 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 ± 0.018. Further the control over the system reveals a high, net, 2-photon interfer- ence fringe visibility, V = 0.919 ± 0.026. This has all been done at telecom wavelengths thus facilitating the advancement towards long distance higher dimensional quantum communication.
Keywords QutritEntanglementQuantum communication
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THEW, Robert Thomas et al. Experimental realization of entangled qutrits for quantum communication. In: Quantum Information and Computation, 2004, vol. 4, n° 2, p. 093-101. https://archive-ouverte.unige.ch/unige:36728

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Deposited on : 2014-05-20

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