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View article: Stability and decay of subradiant patterns in a quantum gas with photon-mediated interactions
Stability and decay of subradiant patterns in a quantum gas with photon-mediated interactions Open
Metastability and its relaxation mechanisms challenge our understanding of the stability of quantum many-body systems, revealing a gap between the microscopic dynamics of the individual components and the effective descriptions used for ma…
View article: Stability and decay of subradiant patterns in a quantum gas with photon-mediated interactions
Stability and decay of subradiant patterns in a quantum gas with photon-mediated interactions Open
Metastability and its relaxation mechanisms challenge our understanding of the stability of quantum many-body systems, revealing a gap between the microscopic dynamics of the individual components and the effective descriptions used for ma…
View article: Bright and Dark States of Light: The quantum Origin of Classical Interference
Bright and Dark States of Light: The quantum Origin of Classical Interference Open
Classical theory asserts that several electromagnetic waves cannot interact with matter if they interfere destructively to zero, whereas quantum mechanics predicts a nontrivial light-matter dynamics even when the average electric field van…
View article: Sensitivity of electromagnetically induced transparency to light-mediated interactions
Sensitivity of electromagnetically induced transparency to light-mediated interactions Open
Here we present a microscopic model that describes the Electromagnetically\nInduced Transparency (EIT) phenomenon in the multiple scattering regime. We\nconsider an ensemble of cold three-level atoms, in a $\\Lambda$ configuration,\nscatte…
View article: Electromagnetically induced transparency in the multiple scattering regime
Electromagnetically induced transparency in the multiple scattering regime Open
Here we present a microscopic model that describes the Electromagnetically Induced Transparency (EIT) phenomenon in the multiple scattering regime. We consider an ensembles of cold three-level atoms, in a $\Lambda$ configuration, scatterin…
View article: Cooperative spontaneous emission via a renormalization approach: Classical versus semiclassical effects
Cooperative spontaneous emission via a renormalization approach: Classical versus semiclassical effects Open
We address the many-atom emission of a dilute cloud of two-level atoms\nthrough a renormalized perturbation theory. An analytical solution for the\ntruncated coupled-dipole equations is derived, which contains an effective\nspectrum associ…
View article: Optical binding with cold atoms
Optical binding with cold atoms Open
Optical binding is a form of light-mediated forces between elements of matter\nwhich emerge in response to the collective scattering of light. Such phenomenon\nhas been studied mainly in the context of equilibrium stability of dielectric\n…
View article: Collective scattering of light from disordered atomic clouds
Collective scattering of light from disordered atomic clouds Open
\n In this thesis, we investigate the coherent scattering of light by atoms randomly distributed in space. As described by a model of coupled dipoles, the cooperation in the spontaneous emission process results from purely optical interact…
View article: Entanglement detection via atomic deflection
Entanglement detection via atomic deflection Open
We report on criteria to detect entanglement between the light modes of two\ncrossed optical cavities by analyzing the transverse deflection patterns of an\natomic beam. The photon exchange between the modes and the atoms occurs around\nth…
View article: Coherent backscattering of inelastic photons from atoms and their mirror images
Coherent backscattering of inelastic photons from atoms and their mirror images Open
Coherent backscattering is a coherence effect in the propagation of waves\nthrough disordered media involving two or more scattering events. Here, we\nreport on the observation of coherent backscattering from individual atoms and\ntheir mi…
View article: Spatial and temporal localization of light in two dimensions
Spatial and temporal localization of light in two dimensions Open
Quasi-resonant scattering of light in two dimensions can be described either as a scalar or as a vectorial electromagnetic wave. Performing a scaling analysis we observe in both cases long lived modes, yet only the scalar case exhibits And…