Heralded single-photon generation using imperfect single-photon sources and a two-photon-absorbing medium

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dc.creatorKonrad, Thomas
dc.creatorScherer, Artur
dc.creatorNock, Michael
dc.creatorAudretsch, Juergen
dc.date2005-10-14
dc.date2006-03-22
dc.date.accessioned2026-07-07T06:48:43Z
dc.date.available2026-07-07T06:48:43Z
dc.descriptionWe propose a setup for a heralded, i.e. announced generation of a pure single-photon state given two imperfect sources whose outputs are represented by mixtures of the single-photon Fock state $\ket{1}$ with the vacuum $\ket{0}$. Our purification scheme uses beam splitters, photodetection and a two-photon-absorbing medium. The admixture of the vacuum is fully eliminated. We discuss two potential realizations of the scheme.
dc.description22 pages, 8 figures (LaTeX). In version v2 we have slightly modified our setup so as to increase the success probability of single-photon generation by a factor of two. In addition, in an appendix we discuss alternative realizations of single-photon generation without a Mach-Zehnder interferometer. Three new figures have been added. Version v3 is a revised version published in Phys. Rev. A. It contains numerous minor corrections and clarifications. A new figure has been added in order to clarify our convention regarding labelling the field modes. The action of the beam splitters in the Schroedinger picture is introduced. A new reference has been included
dc.identifierhttps://arxiv.org/abs/quant-ph/0510113
dc.identifierhttp://arxiv.org/abs/quant-ph/0510113
dc.identifierPhys. Rev. A 73, 032327 (2006)
dc.identifierdoi:10.1103/PhysRevA.73.032327
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/104114
dc.subjectQuantum Physics
dc.titleHeralded single-photon generation using imperfect single-photon sources and a two-photon-absorbing medium
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