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ID: 631660.0, MPI für Dynamik und Selbstorganisation / Netzwerk-Dynamik
Photon sorters and QND detectors using single photon emitters
Authors:Witthaut, Dirk; Lukin, M. D.; Srense, A. S.
Language:English
Date of Publication (YYYY-MM-DD):2012-03-06
Title of Journal:Europhysics Letters
Journal Abbrev.:EPL
Volume:97
Issue / Number:5
Sequence Number of Article:50007
Review Status:Peer-review
Audience:Experts Only
Abstract / Description: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 nonlinearities.
As a speci c application we show how these elements can be integrated into an error-proof
Bell state analyzer, whose eciency exceeds the best possible performance with linear optics even
for a modest atom- eld 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.
Free Keywords:Quantum Physics (quant-ph)
Computational physics
Optics, quantum optics and lasers
Quantum information and quantum mechanics
External Publication Status:published
Document Type:Article
Communicated by:Folkert Mueller-Hoissen
Affiliations:MPI für Dynamik und Selbstorganisation/Nichtlineare Dynamik
External Affiliations:QUANTOP, Niels Bohr Institute, University of Copenhagen, DK{2100 Copenhagen , Denmark
Department of Physics, Harvard University, Cambridge MA 02138
Identifiers:URL:http://arxiv.org/pdf/1007.3273v2.pdf
DOI:10.1209/0295-5075/97/50007
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