David Guéry-Odelin

Optimal transport of ultracold atoms in the non-adiabatic regime

We report the transport of ultracold atoms with optical tweezers in the non-adiabatic regime, i.e. on a time scale on the order of the oscillation period. We have found a set of discrete transport durations for which the transport is not accompanied by any excitation of the centre of mass of the cloud after the transport. We show that the residual amplitude of oscillation of the dipole mode is given by the Fourier transform of the velocity profile imposed to the trap for the transport. This formalism leads to a simple interpretation of our data and simple methods for optimizing trapped particles displacement in the non-adiabatic regime.

A quasi-monomode guided atom laser from an all-optical Bose-Einstein condensate

We report the achievement of an optically guided and quasi-monomode atom laser, in all spin projection states (

Basin entropy: a new tool to analyze uncertainty in dynamical systems

m_F =

Spinning up and down a Boltzmann gas

-1

Vibrational mode multiplexing of ultracold atoms

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Thermalization in mixtures of ultracold gases

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Chaotic dynamics and fractal structures in experiments with cold atoms

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Continuous loading of a non-dissipative atom trap

+1

Interaction of a propagating guided matter wave with a localized potential

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