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Single-photon generation from stored excitation in an atomic ensemble

Chou, C. W. and Polyakov, S. V. and Kuzmich, A. and Kimble, H. J. (2004) Single-photon generation from stored excitation in an atomic ensemble. Physical Review Letters, 92 (21). Art. No. 213601. ISSN 0031-9007. http://resolver.caltech.edu/CaltechAUTHORS:CHOprl04

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Abstract

Single photons are generated from an ensemble of cold Cs atoms via the protocol of Duan et al. [Nature (London) 414, 413 (2001)]. Conditioned upon an initial detection from field 1 at 852 nm, a photon in field 2 at 894 nm is produced in a controlled fashion from excitation stored within the atomic ensemble. The single-quantum character of field 2 is demonstrated by the violation of a Cauchy-Schwarz inequality, namely w(1(2),1(2)\ to1(1))=0.24+/-0.05 not greater than or equal to 1, where w(1(2),1(2)\1(1)) describes the detection of two events (1(2),1(2)) conditioned upon an initial detection 1(1), with w-->0 for single photons.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1103/PhysRevLett.92.213601 DOIUNSPECIFIED
http://prl.aps.org/abstract/PRL/v92/i21/e213601PublisherUNSPECIFIED
http://arxiv.org/abs/quant-ph/0401147arXivUNSPECIFIED
Additional Information:© 2004 The American Physical Society. Received 21 January 2004; published 25 May 2004. We gratefully acknowledge the contributions of A. Boca, D. Boozer, W. Bowen, and L.-M. Duan. This work is supported by ARDA, by the Caltech MURI Center for Quantum Networks, and by the NSF.
Funders:
Funding AgencyGrant Number
ARDAUNSPECIFIED
Caltech MURI Center for Quantum NetworksUNSPECIFIED
NSFUNSPECIFIED
Subject Keywords:caesium; quantum optics; quantum computing; quantum communication
Classification Code:PACS: 42.50.Dv, 03.67.–a, 42.65.–k
Record Number:CaltechAUTHORS:CHOprl04
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:CHOprl04
Alternative URL:http://dx.doi.org/10.1103/PhysRevLett.92.213601
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:3065
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:12 May 2006
Last Modified:26 Dec 2012 08:52

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