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Quantum communication and the creation of maximally entangled pairs of atoms over a noisy channel

Briegel, H.-J. and Dür, W. and van Enk, S. J. and Cirac, J. I. and Zoller, P. (1998) Quantum communication and the creation of maximally entangled pairs of atoms over a noisy channel. Philosophical Transactions A: Mathematical, Physical and Engineering Sciences, 356 (1743). pp. 1841-1851. ISSN 1364-503X. https://resolver.caltech.edu/CaltechAUTHORS:20201211-170109276

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Abstract

We show how to create maximally entangled EPR pairs between spatially distant atoms, each of them inside a high–Q optical cavity, by sending photons through a general, noisy channel, such as a standard optical fiber. An error correction scheme that uses few auxiliary atoms in each cavity effectively eliminates photoabsorption and other transmission errors. This realizes the ‘absorption free channel’. A concatenation protocol using the absorption free channel allows for quantum communication with single qubits over distances much larger than the coherence length of the channel.


Item Type:Article
Related URLs:
URLURL TypeDescription
https://doi.org/10.1098/rsta.1998.0252DOIArticle
ORCID:
AuthorORCID
Cirac, J. I.0000-0003-3359-1743
Zoller, P.0000-0003-4014-1505
Additional Information:© 1998 The Royal Society. Published online 15/08/1998, Published in print 15/08/1998. This work was supported in part by the Österreichischer Fonds zur Förderung der wissenschaftlichen Forschung, and by the European TMR network ERB-FMRX-CT96-0087.
Funders:
Funding AgencyGrant Number
FWF Der WissenschaftsfondsUNSPECIFIED
Marie Curie FellowshipERB-FMRX-CT96-0087
Subject Keywords:quantum repeater; EPR correlations; purification; quantum communication; quantum network; absorption-free channel
Issue or Number:1743
Record Number:CaltechAUTHORS:20201211-170109276
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20201211-170109276
Official Citation:Briegel H.-J., Dür W., van Enk S. J., Cirac J. I. and Zoller P. 1998. Quantum communication and the creation of maximally entangled pairs of atoms over a noisy channel. Phil. Trans. R. Soc. A. 356: 1841–1851. http://doi.org/10.1098/rsta.1998.0252
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:107050
Collection:CaltechAUTHORS
Deposited By: Rebecca Minjarez
Deposited On:16 Dec 2020 16:30
Last Modified:16 Dec 2020 16:30

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