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Raman Sideband Cooling in Optical Tweezer Arrays for Rydberg Dressing

by Nikolaus Lorenz, Lorenzo Festa, Lea-Marina Steinert, Christian Gross

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Submission summary

Authors (as registered SciPost users): Christian Gross
Submission information
Preprint Link:  (pdf)
Date accepted: 2021-02-15
Date submitted: 2021-01-01 14:41
Submitted by: Gross, Christian
Submitted to: SciPost Physics
Ontological classification
Academic field: Physics
  • Atomic, Molecular and Optical Physics - Experiment
Approach: Experimental


Single neutral atoms trapped in optical tweezers and laser-coupled to Rydberg states provide a fast and flexible platform to generate configurable atomic arrays for quantum simulation. The platform is especially suited to study quantum spin systems in various geometries. However, for experiments requiring continuous trapping, inhomogeneous light shifts induced by the trapping potential and temperature broadening impose severe limitations. Here we show how Raman sideband cooling allows one to overcome those limitations, thus, preparing the stage for Rydberg dressing in tweezer arrays.

Published as SciPost Phys. 10, 052 (2021)

Author comments upon resubmission

Dear Editors, Dear Referees,

Thank you for the correspondence and the reports on our manuscript. Below we detail the changes made in response to the referee reports.

Sincerely yours,
The Authors

List of changes

- We added references [42, 44, 45] where the weak dressing equations are introduced.
- We added a more detailed discussion about the hole in the objective and its effects on imaging and tweezer generation. This is indeed a novelty introduced by our setup.
- We now use scientific notation for the numbers in the figure captions.
- We clarified the description of the Raman beam polarizations, also adding arrows indicating the polarization in fig 1.
- We added the missing theory prediction in fig. 4a
- The ratio of the red and blue sideband strengths was inverted before. This is now corrected.

Submission & Refereeing History

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Resubmission 2010.07838v2 on 1 January 2021

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