Announcing single photons from imperfect sources by means of "interaction-free" measurements

T. Konrad; A. Scherer; M. Nock; J. Audretsch

doi:10.1140/epjst/e2008-00697-7

Announcing single photons from imperfect sources by means of "interaction-free" measurements

T. Konrad^*, A. Scherer, M. Nock, J. Audretsch

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

Abstract

Interaction-free measurements can indicate the presence of photo-sensitive objects and even image the objects without damaging them. Can they also be used to indicatethe presence of a single photon without absorbing it? We address this question in the context of improving the efficiency of single-photon sources. In particular, we interpret a recently proposed method to announce single photons based on two-photon absorption [Konrad et al., Phys. Rev. A 73, 032327 (2006)] in terms of "interaction-free" measurements.

Original language	English
Pages (from-to)	93-99
Number of pages	7
Journal	European Physical Journal: Special Topics
Volume	159
Issue number	1
DOIs	https://doi.org/10.1140/epjst/e2008-00697-7
Publication status	Published - Jun 2008
Externally published	Yes

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abstract = "Interaction-free measurements can indicate the presence of photo-sensitive objects and even image the objects without damaging them. Can they also be used to indicatethe presence of a single photon without absorbing it? We address this question in the context of improving the efficiency of single-photon sources. In particular, we interpret a recently proposed method to announce single photons based on two-photon absorption [Konrad et al., Phys. Rev. A 73, 032327 (2006)] in terms of {"}interaction-free{"} measurements.",

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AB - Interaction-free measurements can indicate the presence of photo-sensitive objects and even image the objects without damaging them. Can they also be used to indicatethe presence of a single photon without absorbing it? We address this question in the context of improving the efficiency of single-photon sources. In particular, we interpret a recently proposed method to announce single photons based on two-photon absorption [Konrad et al., Phys. Rev. A 73, 032327 (2006)] in terms of "interaction-free" measurements.

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Announcing single photons from imperfect sources by means of "interaction-free" measurements

Abstract

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