B Hage et al 2007 New J. Phys. 9 227 doi:10.1088/1367-2630/9/7/227
On the distillation and purification of phase-diffused squeezed states
B Hage1,4, A Franzen1, J DiGuglielmo1, P Marek2, J Fiurášek3 and R Schnabel1
Show affiliationsRecently it was discovered that non-Gaussian decoherence processes, such as phase-diffusion, can be counteracted by purification and distillation protocols that are solely built on Gaussian operations. Here, we make use of this experimentally highly accessible regime, and provide a detailed experimental and theoretical analysis of several strategies for purification/distillation protocols on phase-diffused squeezed states. Our results provide valuable information for the optimization of such protocols with respect to the choice of the trigger quadrature, the trigger threshold value and the probability of generating a distilled state.
- PACS
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03.65.Yz Decoherence; open systems; quantum statistical methods
- Subjects
- Dates
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Issue 7 (2007)
Received 18 April 2007
Published 12 July 2007
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On the distillation and purification of phase-diffused squeezed states
B Hage et al 2007 New J. Phys. 9 227
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