160 citations · 732 across the 16 of their papers we have counts for
17 papers
Ultralow-power single-pass all-optical photon router
Jérémy Berroir, Tridib Ray, Alban Urvoy +1
We demonstrate a novel approach for routing guided single photons by combining atom trapping and transverse light confinement with an optical nanofiber. The direction of photon pro…
Quantum cryptography integrating an optical quantum memory
H. Mamann, T. Nieddu, F. Hoffet +6
Developments in scalable quantum networks rely critically on optical quantum memories, which are key components enabling the storage of quantum information. These memories play a p…
Hierarchies of quantum non-Gaussian coherences for bosonic systems: A theoretical study
Lukáš Lachman, Beate E. Asenbeck, Ambroise Boyer +4
Quantum coherence in bosonic systems is a fundamental resource for quantum technology applications. In this work, we introduce a framework for analyzing coherence in the Fock-state…
Hierarchical Verification of Non-Gaussian Coherence in Bosonic Quantum States
Beate E. Asenbeck, Lukáš Lachman, Ambroise Boyer +4
Non-Gaussianity, a distinctive characteristic of bosonic quantum states, is pivotal in advancing quantum networks, fault-tolerant quantum computing, and high-precision metrology. V…
A Hybrid Approach to Mitigate Errors in Linear Photonic Bell-State Measurement for Quantum Interconnects
Beate E. Asenbeck, Akito Kawasaki, Ambroise Boyer +4
Optical quantum information processing critically relies on Bell-state measurement, a ubiquitous operation for quantum communication and computing. Its practical realization involv…
Systematic design of a robust half-W1 photonic crystal waveguide for interfacing slow light and trapped cold atoms
Adrien Bouscal, Malik Kemiche, Sukanya Mahapatra +10
Novel platforms interfacing trapped cold atoms and guided light in nanoscale waveguides are a promising route to achieve a regime of strong coupling between light and atoms in sing…
Machine-learning-accelerated Bose-Einstein condensation
Zachary Vendeiro, Joshua Ramette, Alyssa Rudelis +5
Machine learning is emerging as a technology that can enhance physics experiment execution and data analysis. Here, we apply machine learning to accelerate the production of a Bose…
Asymmetric comb waveguide for strong interactions between atoms and light
Nikos Fayard, Adrien Bouscal, Jeremy Berroir +9
Coupling quantum emitters and nanostructures, in particular cold atoms and waveguides, has recently raised a large interest due to unprecedented possibilities of engineering light-…
Nanotrappy: An open-source versatile package for cold-atom trapping close to nanostructures
Jérémy Berroir, Adrien Bouscal, Alban Urvoy +2
Trapping cold neutral atoms in close proximity to nanostructures has raised a large interest in recent years, pushing the frontiers of cavity-QED and boosting the emergence of the…
Direct laser cooling to Bose-Einstein condensation in a dipole trap
Alban Urvoy, Zachary Vendeiro, Joshua Ramette +2
We present a method for producing three-dimensional Bose-Einstein condensates using only laser cooling. The phase transition to condensation is crossed with $…
Creation of a Bose-condensed gas of rubidium 87 by laser cooling
Jiazhong Hu, Alban Urvoy, Zachary Vendeiro +3
We demonstrate direct laser cooling of a gas of rubidium 87 atoms to quantum degeneracy. The method does not involve evaporative cooling, is fast, and induces little atom loss. The…
Vacuum spin squeezing
Jiazhong Hu, Wenlan Chen, Zachary Vendeiro +3
We investigate the generation of entanglement (spin squeezing) in an optical-transition atomic clock through the coupling to a vacuum electromagnetic field that is enhanced by an o…
Tutorial: Calculation of Rydberg interaction potentials
Sebastian Weber, Christoph Tresp, Henri Menke +4
The strong interaction between individual Rydberg atoms provides a powerful tool exploited in an ever-growing range of applications in quantum information science, quantum simulati…
Charge-induced optical bistability in thermal Rydberg vapor
Daniel Weller, Alban Urvoy, Andy Rico +2
We investigate the phenomenon of optical bistability in a driven ensemble of Rydberg atoms. By performing two experiments with thermal vapors of rubidium and cesium, we are able to…
Strongly correlated growth of Rydberg aggregates in a vapor cell
A. Urvoy, F. Ripka, I. Lesanovsky +4
The observation of strongly interacting many-body phenomena in atomic gases typically requires ultracold samples. Here we show that the strong interaction potentials between Rydber…
Spectroscopy of the D1-transition of cesium by dressed-state resonance fluorescence from a single (In,Ga)As/GaAs quantum dot
S. M. Ulrich, S. Weiler, M. Oster +4
We use a laser-driven single (In,Ga)As quantum dot (QD) in the dressed state regime of resonance fluorescence ( K) to observe the four -transition lines of alkali atomi…
Optical coherences and wavelength mismatch in ladder systems
A. Urvoy, C. Carr, R. Ritter +3
We investigate experimentally and theoretically the coherent and incoherent processes in open 3-level ladder systems in room temperature gases and identify in which regime electrom…