Three-dimensional trap** of individual Rydberg atoms in ponderomotive bottle beam traps

D Barredo, V Lienhard, P Scholl, S de Léséleuc… - Physical Review Letters, 2020 - APS
We demonstrate three-dimensional trap** of individual Rydberg atoms in holographic
optical bottle beam traps. Starting with cold, ground-state Rb 87 atoms held in standard …

Variational spin-squeezing algorithms on programmable quantum sensors

R Kaubruegger, P Silvi, C Kokail, R van Bijnen… - Physical review …, 2019 - APS
Arrays of atoms trapped in optical tweezers combine features of programmable analog
quantum simulators with atomic quantum sensors. Here we propose variational quantum …

Optical coherent manipulation of alkaline-earth circular Rydberg states

A Muni, L Lachaud, A Couto, M Poirier, RC Teixeira… - Nature Physics, 2022 - nature.com
Owing to their large size, Rydberg atoms are promising tools for quantum technologies,, as
they exhibit long-range dipole–dipole interactions and strong coupling to external fields …

Direct laser cooling of Rydberg atoms with an isolated-core transition

A Bouillon, E Marin-Bujedo, M Génévriez - Physical Review Letters, 2024 - APS
We propose a scheme to directly laser cool Rydberg atoms by laser cooling the residual ion
core within the Rydberg-electron orbit. The scheme is detailed for alkaline-earth-metal …

Sideband-enhanced cold atomic source for optical clocks

M Barbiero, MG Tarallo, D Calonico, F Levi… - Physical Review …, 2020 - APS
We demonstrate the enhancement and optimization of a cold strontium atomic beam from a
two-dimensional magneto-optical trap (2D MOT) transversely loaded from a collimated …

Atom-number enhancement by shielding atoms from losses in strontium magneto-optical traps

J Höschele, S Buob, A Rubio-Abadal, V Makhalov… - Physical Review …, 2023 - APS
We present a scheme to enhance the atom number in magneto-optical traps of strontium
atoms operating on the 461-nm transition. This scheme consists of resonantly driving the 1 S …

Preparation of long-lived, non-autoionizing circular Rydberg states of strontium

RC Teixeira, A Larrouy, A Muni, L Lachaud… - Physical Review Letters, 2020 - APS
Alkaline earth Rydberg atoms are very promising tools for quantum technologies. Their
highly excited outer electron provides them with the remarkable properties of Rydberg atoms …

Maximized atom number for a grating magneto-optical trap via machine-learning assisted parameter optimization

S Seo, JH Lee, SB Lee, SE Park, MH Seo, J Park… - Optics …, 2021 - opg.optica.org
We present a parameter set for obtaining the maximum number of atoms in a grating
magneto-optical trap (gMOT) by employing a machine learning algorithm. In the multi …

Design and simulation of a source of cold cadmium for atom interferometry

S Bandarupally, JN Tinsley, M Chiarotti… - Journal of Physics B …, 2023 - iopscience.iop.org
We present a novel optimised design for a source of cold atomic cadmium, compatible with
continuous operation and potentially quantum degenerate gas production. The design is …

Number-resolved imaging of Sr atoms in a long working distance optical tweezer

N Jackson, R Hanley, M Hill, F Leroux, C Adams… - SciPost Physics, 2020 - scipost.org
We demonstrate number-resolved detection of individual strontium atoms in a long working
distance low numerical aperture (NA= 0.26) tweezer. Using a camera based on single …