All-optical sub-Kelvin sympathetic cooling of a levitated microsphere in vacuum

Yoshihiko Arita; Graham D. Bruce; Ewan M. Wright; Stephen H. Simpson; Pavel Zemánek; Kishan Dholakia

doi:10.1364/OPTICA.466337

All-optical sub-Kelvin sympathetic cooling of a levitated microsphere in vacuum

Optics 2022-10-05 v1

Authors: Yoshihiko Arita , Graham D. Bruce , Ewan M. Wright , Stephen H. Simpson , Pavel Zemánek , Kishan Dholakia

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Abstract

We demonstrate all-optical sympathetic cooling of a laser-trapped microsphere to sub-Kelvin temperatures, mediate by optical binding to a feedback-cooled adjacent particle. Our study opens prospects for multi-particle quantum entanglement and sensing in levitated optomechanics.

Keywords

all-optical cooling sympathetic cooling levitated microsphere sub-kelvin optical binding levitated optomechanics

Cite

@article{arxiv.2210.01458,
  title  = {All-optical sub-Kelvin sympathetic cooling of a levitated microsphere in vacuum},
  author = {Yoshihiko Arita and Graham D. Bruce and Ewan M. Wright and Stephen H. Simpson and Pavel Zemánek and Kishan Dholakia},
  journal= {arXiv preprint arXiv:2210.01458},
  year   = {2022}
}

Comments

3 pages, 2 figures

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