On the distillation and purification of phase-diffused squeezed states

Hage, Boris; Franzen, Alexander; DiGuglielmo, James; Marek, Petr; Fiurasek, Jaromir; Schnabel, Roman

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学術論文

On the distillation and purification of phase-diffused squeezed states

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Hage, Boris
Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

Franzen, Alexander
Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;
AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

/persons/resource/persons40442

DiGuglielmo, James
Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

Marek, Petr
Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;
AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

/persons/resource/persons40490

Schnabel, Roman
Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

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njp7_7_227.pdf
(出版社版), 531KB

0707.1935v2.pdf
(プレプリント), 562KB

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引用

Hage, B., Franzen, A., DiGuglielmo, J., Marek, P., Fiurasek, J., & Schnabel, R. (2007). On the distillation and purification of phase-diffused squeezed states. New Journal of Physics, 9:.

引用: https://hdl.handle.net/11858/00-001M-0000-0013-49B8-7

要旨

Recently 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.