Photon sorters and QND detectors using single photon emitters

Dirk Witthaut; M.D. Lukin; Anders Søndberg Sørensen

doi:10.1209/0295-5075/97/50007

Photon sorters and QND detectors using single photon emitters

Dirk Witthaut, M.D. Lukin, Anders Søndberg Sørensen

Kvanteoptik

42 Citationer (Scopus)

Abstract

We discuss a new method for realizing number-resolving and non-demolition photo detectors by strong coupling of light to individual single photon emitters, which act as strong optical non-linearities. As a specific application we show how these elements can be integrated into an error-proof Bell state analyzer, whose efficiency exceeds the best possible performance with linear optics even for a modest atom-field coupling. The methods are error-proof in the sense that every detection event unambiguously projects the photon state onto a Fock or Bell state and imperfections only result in reduced success probability, not in wrong results.

Originalsprog	Engelsk
Tidsskrift	EPL
Vol/bind	97
Udgave nummer	5
Sider (fra-til)	50007
Antal sider	7
ISSN	0295-5075
DOI	https://doi.org/10.1209/0295-5075/97/50007
Status	Udgivet - 6 mar. 2012

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10.1209/0295-5075/97/50007

Citationsformater

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Photon sorters and QND detectors using single photon emitters

Abstract

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