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  Experimental Demonstration of Continuous Variable Purification of Squeezed States

Franzen, A., Hage, B., DiGuglielmo, J., Fiurasek, J., & Schnabel, R. (2006). Experimental Demonstration of Continuous Variable Purification of Squeezed States. Pysical Review Letters, 97: 150505. doi:10.1103/PhysRevLett.97.150505.

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Franzen, Alexander, Author
Hage, Boris1, Author           
DiGuglielmo, James1, Author           
Fiurasek, Jaromir, Author
Schnabel, Roman1, Author           
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1Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, ou_24010              

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 Abstract: We report on the first experimental demonstration of purification of nonclassical continuous variable states. The protocol uses two copies of phase-diffused states overlapped on a beam splitter and provides Gaussified, less mixed states with the degree of squeezing improved. The protocol uses only linear optical devices such as beam splitters and homodyne detection, thereby proving these optical elements can be used for successful purification of this type of state decoherence which occurs in optical transmission channels.

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 Dates: 2010-04-222006
 Publication Status: Issued
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 Identifiers: DOI: 10.1103/PhysRevLett.97.150505
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Title: Pysical Review Letters
  Alternative Title : Phys. Rev. Lett.
Source Genre: Journal
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Publ. Info: Woodbury, N.Y., etc. : American Physical Society.
Pages: - Volume / Issue: 97 Sequence Number: 150505 Start / End Page: - Identifier: Other: 954925433406
Other: 0031-9007