Unity gain and non-unity gain quantum teleportation

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dc.creatorBowen, W. P.
dc.creatorTreps, N.
dc.creatorBuchler, B. C.
dc.creatorSchnabel, R.
dc.creatorRalph, T. C.
dc.creatorSymul, T.
dc.creatorLam, P. K.
dc.date2003-03-31
dc.date2004-02-10
dc.date.accessioned2026-07-07T06:06:28Z
dc.date.available2026-07-07T06:06:28Z
dc.descriptionWe investigate continuous variable quantum teleportation. We discuss the methods presently used to characterize teleportation in this regime, and propose an extension of the measures proposed by Grangier and Grosshans \cite{Grangier00}, and Ralph and Lam \cite{Ralph98}. This new measure, the gain normalized conditional variance product $\mathcal{M}$, turns out to be highly significant for continuous variable entanglement swapping procedures, which we examine using a necessary and sufficient criterion for entanglement. We elaborate on our recent experimental continuous variable quantum teleportation results \cite{Bowen03}, demonstrating success over a wide range of teleportation gains. We analyze our results using fidelity; signal transfer, and the conditional variance product; and a measure derived in this paper, the gain normalized conditional variance product.
dc.description14 pages, 17 figures
dc.identifierhttps://arxiv.org/abs/quant-ph/0303179
dc.identifierhttp://arxiv.org/abs/quant-ph/0303179
dc.identifierIEEE Journal of selected topics in quantum electronics, Vol. 9, pp. 1519, 2003
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/90985
dc.subjectQuantum Physics
dc.titleUnity gain and non-unity gain quantum teleportation
dc.typetext

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