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Coherent Excitation Transfer in a Spin Chain of Three Rydberg Atoms
Daniel Barredo, Henning Labuhn, Sylvain Ravets +3
We study coherent excitation hopping in a spin chain realized using highly excited individually addressable Rydberg atoms. The dynamics are fully described in terms of an XY spin H…
Single-Atom Addressing in Microtraps for Quantum-State Engineering using Rydberg Atoms
Henning Labuhn, Sylvain Ravets, Daniel Barredo +4
We report on the selective addressing of an individual atom in a pair of single-atom microtraps separated by m. Using a tunable light-shift, we render the selected atom off-r…
Coherent dipole-dipole coupling between two single atoms at a Förster resonance
Sylvain Ravets, Henning Labuhn, Daniel Barredo +3
Resonant energy transfers, i.e. the non-radiative redistribution of an electronic excitation between two particles coupled by the dipole-dipole interaction, lie at the heart of a v…
Single-atom trapping in holographic 2D arrays of microtraps with arbitrary geometries
Florence Nogrette, Henning Labuhn, Sylvain Ravets +5
We demonstrate single-atom trapping in two-dimensional arrays of microtraps with arbitrary geometries. We generate the arrays using a Spatial Light Modulator (SLM), with which we i…
Observation of suppression of light scattering induced by dipole-dipole interactions in a cold atomic ensemble
J. Pellegrino, R. Bourgain, S. Jennewein +4
We study the emergence of collective scattering in the presence of dipole-dipole interactions when we illuminate a cold cloud of rubidium atoms with a near-resonant and weak intens…
Demonstration of a strong Rydberg blockade in three-atom systems with anisotropic interactions
Daniel Barredo, Sylvain Ravets, Henning Labuhn +5
We study the Rydberg blockade in a system of three atoms arranged in different 2D geometries (linear and triangular configurations). In the strong blockade regime, we observe high-…