725 citations · 4.4k across the 36 of their papers we have counts for
37 papers
Fourier imaging of collective spontaneous emission modes in superradiant cold atomic clouds
Adrien Gavalda, Guillaume Tremblier, Martin Poitrinal +3
We measure the spatial pattern associated with the superradiant emission from a cloud of cold 87Rb atoms using Fourier imaging. We observe a highly directional, ring-shaped emissio…
Connected correlations in cold atom experiments
Thomas Chalopin, Igor Ferrier-Barbut, Thierry Lahaye +2
The recent development of single-atom-resolved probes has made full counting statistics measurements accessible in quantum gas experiments. This capability provides access to high-…
Narrowline cooling of dysprosium atoms in an optical tweezer array
Giulio Biagioni, Britton Hofer, Nathan Bonvalet +3
We perform narrowline cooling of single dysprosium atoms trapped in a 1D optical tweezers array, employing the narrow single-photon transition at 741 nm. At the trapping wavelength…
Single-atom resolved collective spectroscopy of a one-dimensional atomic array
Britton Hofer, Damien Bloch, Giulio Biagioni +3
Ordered atomic arrays feature an enhanced collective optical response compared to random atomic ensembles due to constructive interference in resonant dipole-dipole interactions. O…
Emergence of second-order coherence in the superradiant emission from a free-space atomic ensemble
Giovanni Ferioli, Igor Ferrier-Barbut, Antoine Browaeys
We investigate the evolution of the second-order temporal coherence during the emission of a superradiant burst by an elongated cloud of cold Rb atoms in free space. To do so, we m…
Anisotropic polarizability of Dy at 532 nm on the intercombination transition
Damien Bloch, Britton Hofer, Sam Roberto Cohen +3
We report experimental measurements of the dynamical polarizability of dysprosium, at a wavelength of 532 nm. We measure all three components (scalar, vector, tensor) of the anisot…
Directional superradiance in a driven ultracold atomic gas in free-space
Sanaa Agarwal, Edwin Chaparro, Diego Barberena +6
Ultra-cold atomic systems are among the most promising platforms that have the potential to shed light on the complex behavior of many-body quantum systems. One prominent example i…
Driven-dissipative phase separation in free-space atomic ensembles
Daniel Goncalves, Lisa Bombieri, Giovanni Ferioli +5
The driven Dicke model, wherein an ensemble of atoms is driven by an external field and undergoes collective spontaneous emission due to coupling to a leaky cavity mode, is a parad…
Non-Gaussian correlations in the steady-state of driven-dissipative clouds of two-level atoms
Giovanni Ferioli, Sara Pancaldi, Antoine Glicenstein +3
We report experimental measurements of the second-order coherence function of the light emitted by a laser-driven dense ensemble of Rb atoms. We observe a clear…
Trapping and imaging single dysprosium atoms in optical tweezer arrays
Damien Bloch, Britton Hofer, Sam R. Cohen +2
We report the preparation and observation of single atoms of dysprosium in arrays of optical tweezers with a wavelength of 532 nm imaged on the intercombination line at 626 nm. We…
Optical control of collective states in 1D ordered atomic chains beyond the linear regime
Nikos Fayard, Igor Ferrier-Barbut, Antoine Browaeys +1
Driven by the need to develop efficient atom-photon interfaces, recent efforts have proposed replacing cavities by large arrays of cold atoms that can support subradiant or superra…
A non-equilibrium superradiant phase transition in free space
Giovanni Ferioli, Antoine Glicenstein, Igor Ferrier-Barbut +1
A class of systems exists in which dissipation, external drive and interactions compete and give rise to non equilibrium phases that would not exist without the drive. There, phase…
Dipolar physics: A review of experiments with magnetic quantum gases
Lauriane Chomaz, Igor Ferrier-Barbut, Francesca Ferlaino +3
Since the achievement of quantum degeneracy in gases of chromium atoms in 2004, the experimental investigation of ultracold gases made of highly magnetic atoms has blossomed. The f…
From superradiance to subradiance: exploring the many-body Dicke ladder
Antoine Glicenstein, Giovanni Ferioli, Antoine Browaeys +1
We report a time-resolved study of collective emission in dense ensembles of two-level atoms. We compare, on the same sample, the build-up of superradiance and subradiance from the…
Laser driven superradiant ensembles of two-level atoms near Dicke's regime
G. Ferioli, A. Glicenstein, F. Robicheaux +3
We report the experimental observation of superradiant emission emanating from an elongated dense ensemble of laser cooled two-level atoms, with a radial extent smaller than the tr…
Fast and efficient preparation of 1D chains and dense cold atomic clouds
Antoine Glicenstein, Giovanni Ferioli, Ludovic Brossard +5
We report the efficient and fast () preparation of randomly loaded 1D chains of individual Rb atoms and of dense atomic clouds trapped in optical tweezers…
Storage and release of subradiant excitations in a dense atomic cloud
Giovanni Ferioli, Antoine Glicenstein, Loic Henriet +2
We report the observation of subradiance in dense ensembles of cold Rb atoms operating near Dicke's regime of a large number of atoms in a volume with dimensions smaller tha…
Many-body Signatures of Collective Decay in Atomic Chains
Stuart J. Masson, Igor Ferrier-Barbut, Luis A. Orozco +2
Fully inverted atoms placed at exactly the same location synchronize as they deexcite, and light is emitted in a burst (known as "Dicke's superradiance"). We investigate the role o…
Collective shift in resonant light scattering by a one-dimensional atomic chain
Antoine Glicenstein, Giovanni Ferioli, Nikola Sibalic +3
We experimentally study resonant light scattering by a one-dimensional randomly filled chain of cold two-level atoms. By a local measurement of the light scattered along the chain,…
Dilute dipolar quantum droplets beyond the extended Gross-Pitaevskii equation
Fabian Böttcher, Matthias Wenzel, Jan-Niklas Schmidt +8
Dipolar quantum droplets are exotic quantum objects that are self-bound due to the subtle balance of attraction, repulsion and quantum correlations. Here we present a systematic st…
A fermionic impurity in a dipolar quantum droplet
Matthias Wenzel, Tilman Pfau, Igor Ferrier-Barbut
In this article we develop the framework to describe Bose-Fermi mixtures of magnetic atoms, focusing on the interaction of bosonic self-bound dipolar quantum droplets with a small…
Anisotropic Superfluid Behavior of a Dipolar Bose-Einstein Condensate
Matthias Wenzel, Fabian Böttcher, Jan-Niklas Schmidt +4
We present transport measurements on a dipolar superfluid using a Bose-Einstein condensate of Dy-162 with strong magnetic dipole-dipole interactions. By moving an attractive laser…
Scissors mode of dipolar quantum droplets of dysprosium atoms
Igor Ferrier-Barbut, Matthias Wenzel, Fabian Böttcher +4
We report on the observation of the scissors mode of a single dipolar quantum droplet. The existence of this mode is due to the breaking of the rotational symmetry by the dipole-di…
Onset of a modulational instability in trapped dipolar Bose-Einstein condensates
Igor Ferrier-Barbut, Matthias Wenzel, Matthias Schmitt +2
We explore the phase diagram of a finite-sized dysprosium dipolar Bose-Einstein condensate in a cylindrical harmonic trap. We monitor the final state after the scattering length is…