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Number of results
2013 | 1 | 5-11

Article title

Requirements for two-source entanglement
concentration

Content

Title variants

Languages of publication

EN

Abstracts

EN
Entanglement enhancement is a key task for quantum technologies.
This operation performed on states produced by
parametric down-conversion sources has been the object of
several recent experimental investigations. In particular, conditional
preparation by photon-subtraction has been shown to
improve the entanglement of these states. Here we analyse
the role played by non-Gaussian and Gaussian measurements
in more general entanglement concentration operations
performed on a pair of two-mode squeezed vacua.
We find stringent requirements for achieving an improved entanglement
enhancement by measuring jointly these two resource
states.

Publisher

Year

Volume

1

Pages

5-11

Physical description

Dates

received
12 - 12 - 2012
online
13 - 02 - 2013
accepted
24 - 1 - 2013

Contributors

  • Clarendon Laboratory, Department of Physics,
    University of Oxford,
    Oxford OX1 3PU, United Kingdom
  • QOLS, Blackett Laboratory, Imperial College London,
    London SW7 2BW, United Kingdom
  • Clarendon Laboratory, Department of Physics,
    University of Oxford,
    Oxford OX1 3PU, United Kingdom
author
  • Clarendon Laboratory, Department of Physics,
    University of Oxford,
    Oxford OX1 3PU, United Kingdom
author
  • Clarendon Laboratory, Department of Physics,
    University of Oxford,
    Oxford OX1 3PU, United Kingdom
  • Department of Physics, Shanghai Jiao Tong University,
    Shanghai 200240, PR China
  • Clarendon Laboratory, Department of Physics,
    University of Oxford,
    Oxford OX1 3PU, United Kingdom
  • Clarendon Laboratory, Department of Physics,
    University of Oxford,
    Oxford OX1 3PU, United Kingdom
author
  • Clarendon Laboratory, Department of Physics,
    University of Oxford,
    Oxford OX1 3PU, United Kingdom
  • Clarendon Laboratory, Department of Physics,
    University of Oxford,
    Oxford OX1 3PU, United Kingdom

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Document Type

Publication order reference

Identifiers

YADDA identifier

bwmeta1.element.-psjd-doi-10_2478_qmetro-2013-0002
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