High-fidelity entanglement and detection of alkaline-earth Rydberg atoms

IS Madjarov, JP Covey, AL Shaw, J Choi, A Kale… - Nature Physics, 2020 - nature.com
Trapped neutral atoms have become a prominent platform for quantum science, where
entanglement fidelity records have been set using highly excited Rydberg states. However …

A subwavelength atomic array switched by a single Rydberg atom

K Srakaew, P Weckesser, S Hollerith, D Wei, D Adler… - Nature Physics, 2023 - nature.com
Enhancing light–matter coupling at the level of single quanta is essential for numerous
applications in quantum science. The cooperative optical response of subwavelength atomic …

Alkaline-earth atoms in optical tweezers

A Cooper, JP Covey, IS Madjarov, SG Porsev… - Physical Review X, 2018 - APS
We demonstrate single-shot imaging and narrow-line cooling of individual alkaline-earth
atoms in optical tweezers; specifically, strontium trapped in 515.2-nm light. Our approach …

Spin squeezing by Rydberg dressing in an array of atomic ensembles

JA Hines, SV Rajagopal, GL Moreau, MD Wahrman… - Physical Review Letters, 2023 - APS
We report on the creation of an array of spin-squeezed ensembles of cesium atoms via
Rydberg dressing, a technique that offers optical control over local interactions between …

Recent advances in Rydberg physics using alkaline-earth atoms

FB Dunning, TC Killian, S Yoshida… - Journal of Physics B …, 2016 - iopscience.iop.org
In this brief review, the opportunities that the alkaline-earth elements offer for studying new
aspects of Rydberg physics are discussed. For example, the bosonic alkaline-earth isotopes …

Anomalous broadening in driven dissipative Rydberg systems

EA Goldschmidt, T Boulier, RC Brown, SB Koller… - Physical review …, 2016 - APS
We observe interaction-induced broadening of the two-photon 5 s-18 s transition in Rb 87
atoms trapped in a 3D optical lattice. The measured linewidth increases by nearly 2 orders …

On-demand indistinguishable single photons from an efficient and pure source based on a Rydberg ensemble

DP Ornelas-Huerta, AN Craddock, EA Goldschmidt… - Optica, 2020 - opg.optica.org
Single photons coupled to atomic systems have shown to be a promising platform for
develo** quantum technologies. Yet a bright on-demand, highly pure, and highly …

Quantum and nonlinear optics in strongly interacting atomic ensembles

C Murray, T Pohl - Advances in Atomic, Molecular, and Optical Physics, 2016 - Elsevier
Coupling light to ensembles of strongly interacting particles has emerged as a promising
route toward achieving few photon nonlinearities. One specific way to implement this kind of …

Blackbody-radiation-induced facilitated excitation of Rydberg atoms in optical tweezers

L Festa, N Lorenz, LM Steinert, Z Chen, P Osterholz… - Physical Review A, 2022 - APS
Blackbody radiation, omnipresent at room temperature, couples nearby Rydberg states. The
resulting state mixture features strong dipolar interactions, which may induce dephasing in a …

Demonstration of the Jaynes-Cummings ladder with Rydberg-dressed atoms

J Lee, MJ Martin, YY Jau, T Keating, IH Deutsch… - Physical Review A, 2017 - APS
We observe the nonlinearity of the Jaynes-Cummings (JC) ladder in the Autler-Townes
spectroscopy of the hyperfine ground states for a Rydberg-dressed two-atom system. Here …