Quantum science with optical tweezer arrays of ultracold atoms and molecules

AM Kaufman, KK Ni - Nature Physics, 2021 - nature.com
Single atoms and molecules can be trapped in tightly focused beams of light that form
'optical tweezers', affording exquisite capabilities for the control and detection of individual …

Optical tweezers for a bottom-up assembly of few-atom systems

MF Andersen - Advances in physics: X, 2022 - Taylor & Francis
Tightly focused laser beams form optical tweezers that can hold and manipulate individual
atoms. They give superb control over microscopic quantum systems and have paved the …

Observation of collisions between two ultracold ground-state CaF molecules

LW Cheuk, L Anderegg, Y Bao, S Burchesky, SS Yu… - Physical review …, 2020 - APS
We measure inelastic collisions between ultracold CaF molecules by combining two optical
tweezers, each containing a single molecule. We observe collisions between Σ 2 CaF …

Forming a single molecule by magnetoassociation in an optical tweezer

JT Zhang, Y Yu, WB Cairncross, K Wang, LRB Picard… - Physical Review Letters, 2020 - APS
We demonstrate the formation of a single NaCs molecule in an optical tweezer by
magnetoassociation through an s-wave Feshbach resonance at 864.11 (5) G. Starting from …

Overlap** Bose-Einstein condensates of and

C Warner, AZ Lam, N Bigagli, HC Liu, I Stevenson… - Physical Review A, 2021 - APS
We report on the creation of dual-species Bose-Einstein condensates (BECs) of Na 23
atoms and Cs 133 atoms. We demonstrate sympathetic cooling of Cs with Na in a magnetic …

Preparation of 87Rb and 133Cs in the motional ground state of a single optical tweezer

S Spence, RV Brooks, DK Ruttley… - New Journal of …, 2022 - iopscience.iop.org
We report simultaneous Raman sideband cooling of a single 87 Rb atom and a single 133
Cs atom held in separate optical tweezers at 814 nm and 938 nm, respectively. Starting from …

Coherent optical creation of a single molecule

Y Yu, K Wang, JD Hood, LRB Picard, JT Zhang… - Physical Review X, 2021 - APS
We report coherent association of atoms into a single weakly bound NaCs molecule in an
optical tweezer through an optical Raman transition. The Raman technique uses a deeply …

Probing the interaction energy of two atoms in an optical tweezer via spin-motion coupling

J Zhuang, KP Wang, PX Wang, MR Wei, B Mamat… - Physical Review A, 2024 - APS
The inherent polarization gradients in tight optical tweezers can be used to couple the
atomic spins to the two-body motion under the action of a microwave spin-flip transition, so …

Triatomic Photoassociation in an Ultracold Atom–Molecule Collision

AA Elkamshishy, CH Greene - The Journal of Physical Chemistry …, 2022 - ACS Publications
Ultracold collisions of neutral atoms and molecules have been of great interest since
experimental advances enabled the cooling and trap** of such species. This study …

Quantum simulation of the central spin model with a Rydberg atom and polar molecules in optical tweezers

J Dobrzyniecki, M Tomza - Physical Review A, 2023 - APS
Central spin models, where a single spinful particle interacts with a spin environment, find
wide application in quantum information technology and can be used to describe, eg, the …