Publications by Alexander Lvovsky

Distillation of the two-mode squeezed state.

Physical review letters 112 (2014) 070402-

Y Kurochkin, AS Prasad, AI Lvovsky

We experimentally demonstrate entanglement distillation of the two-mode squeezed state obtained by parametric down-conversion. Applying the photon annihilation operator to both modes, we raise the fraction of the photon-pair component in the state, resulting in the increase of both squeezing and entanglement by about 50%. Because of the low amount of initial squeezing, the distilled state does not experience significant loss of Gaussian character.

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