Forming a single molecule by magnetoassociation in an optical tweezer
Abstract
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 single atoms cooled to their motional ground states, we achieve conversion efficiencies of 47(1)%, and measure a molecular lifetime of 4.7(7)ms. By construction, the single molecules are predominantly (77(5)%) in the center-of-mass motional ground state of the tweezer. Furthermore, we produce a single p-wave molecule near 807G by first preparing one of the atoms with one quantum of motional excitation. Our creation of a single weakly bound molecule in a designated internal state in the motional ground state of an optical tweezer is a crucial step towards coherent control of single molecules in optical tweezer arrays.
Keywords
Cite
@article{arxiv.2003.07850,
title = {Forming a single molecule by magnetoassociation in an optical tweezer},
author = {Jessie T. Zhang and Yichao Yu and William B. Cairncross and Kenneth Wang and Lewis R. B. Picard and Jonathan D. Hood and Yen-Wei Lin and Jeremy M. Hutson and Kang-Kuen Ni},
journal= {arXiv preprint arXiv:2003.07850},
year = {2020}
}