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Dr. Marie Bonneau

Laboratoire Charles Fabry de l'Institut d'Optique, Université Paris-Sud, CNRS

Wednesday, July 11th, 2012 at 11:30:00 AM  

Conference room Querzoli - LENS - via Nello Carrara 1 - Sesto Fiorentino (Florence)

Published on-line at 03:12:23 PM on Saturday, July 7th, 2012

Generation of tunable correlated atom beams in an optical lattice

Spontaneous four wave mixing performed in a moving 1D optical lattice.

Spontaneous four wave mixing (SFWM) of matter waves is a source of non-classical atomic pair states, similar to the twin photon states generated through parametric down-conversion and widely used in quantum optics. We perform here SFWM in a moving 1D optical lattice, from a metastable helium BEC. Thus, pairs of atoms are efficiently scattered into two matter beams, whose momenta and population are tunable.

We study the beams' correlation properties, which are crucial for applications in quantum atom optics experiments.

[video=720 540]20120711_bonneau[/video]

For further informations, please contact Prof. Massimo Inguscio.