4.8 Article

Non-Gaussian statistics from individual pulses of squeezed light

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PHYSICAL REVIEW LETTERS
卷 92, 期 15, 页码 -

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AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.92.153601

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We describe the observation of a degaussification protocol that maps individual pulses of squeezed light onto non-Gaussian states. This effect is obtained by sending a small fraction of the squeezed vacuum beam onto an avalanche photodiode, and by conditioning the single-shot homodyne detection of the remaining state upon the photon-counting events. The experimental data provide clear evidence of phase-dependent non-Gaussian statistics. This protocol is closely related to the first step of an entanglement distillation procedure for continuous variables.

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