Quantum state manipulation and cooling of ultracold molecules

T Langen, G Valtolina, D Wang, J Ye - Nature Physics, 2024 - nature.com
In recent years, an increasingly large variety of molecular species have been successfully
cooled to low energies, and innovative techniques continue to emerge to reach ever more …

Laser-cooled molecules

NJ Fitch, MR Tarbutt - Advances in atomic, molecular, and optical Physics, 2021 - Elsevier
The last few years have seen rapid progress in the application of laser cooling to molecules.
In this review, we examine what kinds of molecules can be laser cooled, how to design a …

3D magneto-optical trap of yttrium monoxide

AL Collopy, S Ding, Y Wu, IA Finneran, L Anderegg… - Physical review …, 2018 - APS
We report three-dimensional trap** of an oxide molecule (YO), using a radio-frequency
magneto-optical trap (MOT). The total number of molecules trapped is∼ 1.5× 10 4, with a …

Laser cooling of molecules

MR Tarbutt - Contemporary Physics, 2018 - Taylor & Francis
Recently, laser cooling methods have been extended from atoms to molecules. The complex
rotational and vibrational energy level structure of molecules makes laser cooling difficult …

High accuracy theoretical investigations of CaF, SrF, and BaF and implications for laser-cooling

Y Hao, LF Pašteka, L Visscher, P Aggarwal… - The Journal of …, 2019 - pubs.aip.org
The NL-eEDM collaboration is building an experimental setup to search for the permanent
electric dipole moment of the electron in a slow beam of cold barium fluoride molecules [NL …

Strongly interacting ultracold polar molecules

B Gadway, B Yan - Journal of Physics B: Atomic, Molecular and …, 2016 - iopscience.iop.org
This paper reviews recent advances in the study of strongly interacting systems of dipolar
molecules. Heteronuclear molecules feature large and tunable electric dipole moments …

[HTML][HTML] Accurate prediction and measurement of vibronic branching ratios for laser cooling linear polyatomic molecules

C Zhang, BL Augenbraun, ZD Lasner… - The Journal of …, 2021 - pubs.aip.org
We report a generally applicable computational and experimental approach to determine
vibronic branching ratios in linear polyatomic molecules to the 10− 5 level, including for …

Rotational state microwave mixing for laser cooling of complex diatomic molecules

M Yeo, MT Hummon, AL Collopy, B Yan… - Physical review …, 2015 - APS
We demonstrate the mixing of rotational states in the ground electronic state using
microwave radiation to enhance optical cycling in the molecule yttrium (II) monoxide (YO) …

Intensity-borrowing mechanisms pertinent to laser cooling of linear polyatomic molecules

C Zhang, NR Hutzler, L Cheng - Journal of Chemical Theory and …, 2023 - ACS Publications
A study of the intensity-borrowing mechanisms important to optical cycling transitions in
laser-coolable polyatomic molecules arising from non-adiabatic coupling, contributions …

Robust nuclear spin entanglement via dipolar interactions in polar molecules

TV Tscherbul, J Ye, AM Rey - Physical Review Letters, 2023 - APS
We propose a general protocol for on-demand generation of robust entangled states of
nuclear and/or electron spins of ultracold Σ 1 and Σ 2 polar molecules using electric dipolar …