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

Thomas Konrad*, Artur Scherer, Michael Nock, Jürgen Audretsch

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)

Abstract

We 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 |1□ with the vacuum |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.

Original languageEnglish
Article number032327
Pages (from-to)1-9
Number of pages9
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Volume73
Issue number3
DOIs
Publication statusPublished - 2006
Externally publishedYes

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