Zhang, Jessie T. and Yu, Yichao and Cairncross, William B. and Wang, Kenneth and Picard, Lewis R. B. and Hood, Jonathan D. and Lin, Yen-Wei and Hutson, Jeremy M. and Ni, Kang-Kuen (2020) 'Forming a single molecule by magnetoassociation in an optical tweezer.', Physical review letters., 124 (25). p. 253401.
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 807 G 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.
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|Publisher Web site:||https://doi.org/10.1103/PhysRevLett.124.253401|
|Publisher statement:||Reprinted with permission from the American Physical Society: Zhang, Jessie T., Yu, Yichao, Cairncross, William B., Wang, Kenneth, Picard, Lewis R. B., Hood, Jonathan D., Lin, Yen-Wei, Hutson, Jeremy M. & Ni, Kang-Kuen (2020). Forming a Single Molecule by Magnetoassociation in an Optical Tweezer. Physical Review Letters 124(25): 253401 © 2020 by the American Physical Society. Readers may view, browse, and/or download material for temporary copying purposes only, provided these uses are for noncommercial personal purposes. Except as provided by law, this material may not be further reproduced, distributed, transmitted, modified, adapted, performed, displayed, published, or sold in whole or part, without prior written permission from the American Physical Society.|
|Date accepted:||21 May 2020|
|Date deposited:||09 July 2020|
|Date of first online publication:||25 June 2020|
|Date first made open access:||09 July 2020|
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