期刊
PHYSICAL REVIEW LETTERS
卷 124, 期 25, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.124.253401
关键词
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资金
- NSF [PHY-1806595]
- AFOSR [FA9550-19-1-0089]
- Camille and Henry Dreyfus Foundation [TC-18-003]
- National Defense Science and Engineering Graduate fellowship
- Max Planck-Harvard Research Center for Quantum Optics fellowship
- NSF GRFP fellowship
- U.K. Engineering and Physical Sciences Research Council (EPSRC) [EP/N007085/1, EP/P008275/1, EP/P01058X/1]
- EPSRC [EP/N007085/1, EP/P01058X/1, EP/P008275/1] Funding Source: UKRI
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 fast 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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