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An Optical Tweezer Array of Ultracold Molecules

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arxiv 1902.00497 v1 pith:MWNGUWEA submitted 2019-02-01 physics.atom-ph cond-mat.quant-gasquant-ph

classification physics.atom-phcond-mat.quant-gasquant-ph
keywords moleculessingletweezerultracoldarraycollisionslaseroptical
verification ladder T0 review T1 audit T2 compute T3 formal
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Arrays of single ultracold molecules promise to be a powerful platform for many applications ranging from quantum simulation to precision measurement. Here we report on the creation of an optical tweezer array of single ultracold CaF molecules. By utilizing light-induced collisions during the laser cooling process, we trap single molecules. The high densities attained inside the tweezer traps have also enabled us to observe in the absence of light molecule-molecule collisions of laser cooled molecules for the first time.

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Forward citations

Cited by 3 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Spectroscopic characterization of aluminum monofluoride with relevance to laser cooling and trapping

    physics.atom-ph 2019-08 accept novelty 7.0 of 10

    High-resolution spectroscopy of AlF in the X, a, and A states shows its A1Pi-X1Sigma+ transition is rotationally closed with favorable branching ratios, establishing AlF as a practical laser-cooling candidate.

  2. Probing $P,T$-Symmetry Violation with Optically Trapped Asymmetric Top Molecules

    physics.atom-ph 2026-08 conditional novelty 6.0 of 10

    Asymmetric top M-NH2 molecules are shown to offer long-lived ground-state parity doublets and engineered clock transitions that project electron EDM sensitivity beyond current limits.

  3. Variational spin-squeezing algorithms on programmable quantum sensors

    quant-ph 2019-08 conditional novelty 6.0 of 10

    A variational feedback algorithm using only global pulses and finite-range Rydberg interactions can prepare spin-squeezed states that outperform standard one-axis and two-axis twisting protocols in numerical simulations.

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