Direct laser cooling of polyatomic molecules

BL Augenbraun, L Anderegg, C Hallas… - Advances in Atomic …, 2023 - Elsevier
Over the past decade, tremendous progress has been made to extend the tools of laser
cooling and trap** to molecules. Those same tools have recently been applied to …

Sub-Doppler Cooling and Compressed Trap** of YO Molecules at Temperatures

S Ding, Y Wu, IA Finneran, JJ Burau, J Ye - Physical Review X, 2020 - APS
Complex molecular structure demands customized solutions to laser cooling by extending
its general set of principles and practices. Compared with other laser-cooled molecules …

Advances in anti-relaxation coatings of alkali-metal vapor cells

H Chi, W Quan, J Zhang, L Zhao, J Fang - Applied Surface Science, 2020 - Elsevier
Sensitivity of the precise measurement based on interaction between light and atoms can be
improved by prolonging spin-polarization lifetime of alkali-metal atoms. However, spin …

Blue-detuned magneto-optical trap of molecules

JJ Burau, P Aggarwal, K Mehling, J Ye - Physical Review Letters, 2023 - APS
Direct laser cooling of molecules has reached a phase-space density exceeding 10-6 in
optical traps but with rather small molecular numbers. To progress toward quantum …

High Density Loading and Collisional Loss of Laser-Cooled Molecules in an Optical Trap

V Jorapur, TK Langin, Q Wang, G Zheng, D DeMille - Physical Review Letters, 2024 - APS
We report optical trap** of laser-cooled molecules at sufficient density to observe
molecule-molecule collisions for the first time in a bulk gas. SrF molecules from a red …

Toward improved loading, cooling, and trap** of molecules in magneto-optical traps

TK Langin, D DeMille - New Journal of Physics, 2023 - iopscience.iop.org
Recent experiments have demonstrated direct cooling and trap** of diatomic and triatomic
molecules in magneto-optical traps (MOTs). However, even the best molecular MOTs to date …

Simulations of a frequency-chirped magneto-optical trap of MgF

KJ Rodriguez, NH Pilgram, DS Barker, SP Eckel… - Physical Review A, 2023 - APS
We simulate the capture process of MgF molecules into a frequency-chirped molecular
magneto-optical trap (MOT). Our calculations show that by chir** the frequency, the MOT …

A new design for a traveling-wave Zeeman decelerator: II. Experiment

T Damjanović, S Willitsch, N Vanhaecke… - New Journal of …, 2021 - iopscience.iop.org
A novel traveling-wave Zeeman decelerator based on a double-helix coil geometry capable
of decelerating paramagnetic molecules with high efficiency is presented. Moving magnetic …

Multi-parameter optimization of polarization gradient cooling for 87Rb atoms based on reinforcement learning

C Liang, S Gao, J Liu, G Wang, S Yan, J Yang, L Zhu… - Optics …, 2024 - opg.optica.org
Polarization gradient cooling (PGC) plays an important role in many cold atom applications
including the formation of Bose-Einstein condensates (BECs) and cooling of single atoms …

Laser cooling and magneto-optical trap** of molecules analyzed using optical Bloch equations and the Fokker-Planck-Kramers equation

JA Devlin, MR Tarbutt - Physical Review A, 2018 - APS
We study theoretically the behavior of laser-cooled calcium monofluoride (CaF) molecules in
an optical molasses and magneto-optical trap (MOT), and compare our results to recent …