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- Centre National de la Recherche ScientifiqueFR526 papers
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- Carl von Ossietzky Universität OldenburgDE37 papers
- Laboratoire Photonique, Numérique et NanosciencesFR30 papers
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31 papers · 1 filter
Rydberg-induced optical nonlinearities from a cold atomic ensemble trapped inside a cavity
Rajiv Boddeda, Imam Usmani, Erwan Bimbard +4
We experimentally characterize the optical nonlinear response of a cold atomic medium placed inside an optical cavity, and excited to Rydberg states. The excitation to S and D Rydb…
Propagation of light through small clouds of cold interacting atoms
S. Jennewein, Y. R. P. Sortais, J. -J. Greffet +1
We demonstrate experimentally that a cloud of cold atoms with a size comparable to the wavelength of light can induce large group delays on a laser pulse when the laser is tightly…
Optimal control of complex atomic quantum systems
S. van Frank, M. Bonneau, J. Schmiedmayer +8
Quantum technologies will ultimately require manipulating many-body quantum systems with high precision. Cold atom experiments represent a stepping stone in that direction: a high…
X-ray fluorescence induced by standing waves in the grazing-incidence and grazing-exit modes: study of the Mg--Co--Zr system
Yuchun Tu, Yanyan Yuan, Karine Le Guen +6
We present the characterization of Mg-Co-Zr tri-layer stacks by using x-ray fluorescence induced by x-ray standing waves, both in the grazing incidence (GI) and grazing exit (GE) m…
Mott Transition for Strongly-Interacting 1D Bosons in a Shallow Periodic Potential
G. Boéris, L. Gori, M. D. Hoogerland +9
We investigate the superfluid-insulator transition of one-dimensional interacting Bosons in both deep and shallow periodic potentials. We compare a theoretical analysis based on Mo…
Coherent scattering of near-resonant light by a Dense Microscopic Cold Atomic cloud
S. Jennewein, M. Besbes, N. J. Schilder +6
We measure the coherent scattering of light by a cloud of laser-cooled atoms with a size comparable to the wavelength of light. By interfering a laser beam tuned near an atomic res…