Non-gaussian statistics from individual pulses of squeezed light

Details Non-gaussian statistics from individual pulses of squeezed light Non-gaussian statistics from individual pulses of squeezed light

2004-02-25

arxiv.org/abs/quant-ph/0402192v1

Phys. Rev. Lett 92, 153601 (2004).

Physics

Quantum Physics

Accepted for publication in Phys. Rev. Lett

Scientific paper

10.1103/PhysRevLett.92.153601

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 provides a 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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