Ytterbium nuclear-spin qubits in an optical tweezer array

A Jenkins, JW Lis, A Senoo, WF McGrew, AM Kaufman - Physical Review X, 2022 - APS
We report on the realization of a fast, scalable, and high-fidelity qubit architecture, based on
Yb 171 atoms in an optical tweezer array. We demonstrate several attractive properties of …

Repetitive Readout and Real-Time Control of Nuclear Spin Qubits in Atoms

W Huie, L Li, N Chen, X Hu, Z Jia, WKC Sun, JP Covey - PRX Quantum, 2023 - APS
We demonstrate high-fidelity repetitive measurements of nuclear spin qubits in an array of
neutral ytterbium-171 (171 Yb) atoms. We show that the qubit state can be measured with a …

Ultracold Fermi gases with emergent SU (N) symmetry

MA Cazalilla, AM Rey - Reports on Progress in Physics, 2014 - iopscience.iop.org
We review recent experimental and theoretical progress on ultracold alkaline-earth Fermi
gases with emergent SU (N) symmetry. Emphasis is placed on describing the ground …

Testing the universality of free fall with rubidium and ytterbium in a very large baseline atom interferometer

J Hartwig, S Abend, C Schubert… - New Journal of …, 2015 - iopscience.iop.org
We propose a very long baseline atom interferometer test of Einstein's equivalence principle
(EEP) with ytterbium and rubidium extending over 10 m of free fall. In view of existing …

Dynamics of ultracold quantum gases in the dissipative Fermi–Hubbard model

K Sponselee, L Freystatzky, B Abeln… - Quantum Science …, 2018 - iopscience.iop.org
We employ metastable ultracold 173 Yb atoms to study dynamics in the 1D dissipative Fermi–
Hubbard model experimentally and theoretically, and observe a complete inhibition of two …

Recent progresses of ultracold two-electron atoms

C He, E Hajiyev, Z Ren, B Song… - Journal of Physics B …, 2019 - iopscience.iop.org
In this topical review, we discuss the recent advances in ultracold two-electron atoms. Owing
to their unique electronic level structure and relevant narrow optical transitions, alkaline …

Two-dimensional magneto-optical trap as a source for cold strontium atoms

I Nosske, L Couturier, F Hu, C Tan, C Qiao, J Blume… - Physical Review A, 2017 - APS
We report on the realization of a transversely loaded two-dimensional magneto-optical trap
serving as a source for cold strontium atoms. We analyze the dependence of the source's …

Measuring gravitational time dilation with delocalized quantum superpositions

A Roura, C Schubert, D Schlippert, EM Rasel - Physical Review D, 2021 - APS
Atomic clocks can measure the gravitational redshift predicted by general relativity with great
accuracy and for height differences as little as 1 cm. All existing experiments, however …

Broadband quantum memory in atomic ensembles

K Shinbrough, DR Pearson Jr, B Fang… - Advances in Atomic …, 2023 - Elsevier
Broadband quantum memory is critical to enabling the operation of emerging photonic
quantum technology at high speeds. Here we review a central challenge to achieving …

Degenerate Bose-Fermi mixtures of rubidium and ytterbium

VD Vaidya, J Tiamsuphat, SL Rolston, JV Porto - Physical Review A, 2015 - APS
We report the realization of a quantum degenerate mixture of bosonic Rb 87 and fermionic
Yb 171 atoms in a hybrid optical dipole trap with a tunable, species-dependent trap** …