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  Experimental purification of coherent states

Andersen, U., Filip, R., Fiurasek, J., Josse, V., & Leuchs, G. (2005). Experimental purification of coherent states. PHYSICAL REVIEW A, 72(6): 060301. doi:10.1103/PhysRevA.72.060301.

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Item Permalink: https://hdl.handle.net/21.11116/0000-0002-97A9-5 Version Permalink: https://hdl.handle.net/21.11116/0000-0002-97AA-4
Genre: Journal Article

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 Creators:
Andersen, Ulrik1, Author           
Filip, R2, Author
Fiurasek, J2, Author
Josse, V2, Author
Leuchs, Gerd1, Author           
Affiliations:
1Max Planck Research Group, Max Planck Institute for the Science of Light, Max Planck Society, ou_2364712              
2external, ou_persistent22              

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 Abstract: We propose a scheme for optimal Gaussian purification of coherent states
from several imperfect copies. The proposal is experimentally
demonstrated for the case of two copies of a coherent state sent through
independent noisy channels. Our purification protocol relies on only
linear optics and an ancilla vacuum state, rendering this approach an
interesting alternative to the more complex protocols of entanglement
distillation and quantum error correction.

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Language(s): eng - English
 Dates: 2005-12
 Publication Status: Published online
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: ISI: 000234334900002
DOI: 10.1103/PhysRevA.72.060301
 Degree: -

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Title: PHYSICAL REVIEW A
Source Genre: Journal
 Creator(s):
Affiliations:
Publ. Info: -
Pages: - Volume / Issue: 72 (6) Sequence Number: 060301 Start / End Page: - Identifier: ISSN: 2469-9926