Characterizing superradiant dynamics in atomic arrays via a cumulant expansion approach

O Rubies-Bigorda, S Ostermann, SF Yelin - Physical Review Research, 2023 - APS
Ordered atomic arrays with subwavelength lattice spacing emit light collectively. For fully
inverted atomic arrays, this results in an initial burst of radiation and a fast buildup of …

Control of localized single-and many-body dark states in waveguide qed

R Holzinger, R Gutierrez-Jauregui, T Hönigl-Decrinis… - Physical Review Letters, 2022 - APS
Subradiant states in a finite chain of two-level quantum emitters coupled to a one-
dimensional reservoir are a resource for superior photon storage and their controlled …

Dynamic population of multiexcitation subradiant states in incoherently excited atomic arrays

O Rubies-Bigorda, S Ostermann, SF Yelin - Physical Review A, 2023 - APS
The deterministic generation of multiexcitation subradiant states proves to be challenging.
Here, we present a viable path towards their transient generation in finite-sized ordered …

Cavity sub-and superradiance for transversely driven atomic ensembles

C Hotter, L Ostermann, H Ritsch - Physical Review Research, 2023 - APS
Large atomic ensembles coupled to a single optical resonator mode can be steered to
strongly enhanced or suppressed collective emission via phase controlled excitation …

Cooperative quantum-optical planar arrays of atoms

J Ruostekoski - Physical Review A, 2023 - APS
Atomic planar arrays offer a novel emerging quantum-optical many-body system in which
light mediates strong interactions between the atoms. The regular lattice structure provides a …

Optimized geometries for cooperative photon storage in an impurity coupled to a two-dimensional atomic array

S Buckley-Bonanno, S Ostermann, O Rubies-Bigorda… - Physical Review A, 2022 - APS
The collective modes of two-dimensional ordered atomic arrays can modify the radiative
environment of embedded atomic impurities. We analyze the role of the lattice geometry on …

Light-scattering properties beyond weak-field excitation in atomic ensembles

CH Wang, NY Tsai, YC Wang, HH Jen - Physical Review A, 2024 - APS
In the study of optical properties of large atomic systems, a weak laser driving is often
assumed to simplify the system dynamics by linearly coupled equations. Here we investigate …

Light harvesting enhanced by quantum ratchet states

N Werren, W Brown, EM Gauger - PRX Energy, 2023 - APS
We consider bioinspired ring systems as photovoltaic circuits to explore the advantage of
“optical ratcheting,” a process whereby the arrangement of coupled optical dipoles enables …

Collective photon emission in solid state environments: Concatenating non-Markovian and Markovian dynamics

D Pandey, M Wubs - Physical Review Research, 2024 - APS
Collective light emission and multiqubit dynamics of solid-state quantum emitters are
affected both by their coupling to the light field and to lattice vibrations. The effect of phonons …

Photon-mediated dipole-dipole interactions as a resource for quantum science and technology in cold atoms

HH Jen - arXiv preprint arXiv:2410.20665, 2024 - arxiv.org
Photon-mediated dipole-dipole interactions arise from atom-light interactions, which are
universal and prevalent in a wide range of open quantum systems. This pairwise and long …