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

Yoshihiko Arita*, Graham David Bruce, Ewan Malcolm Wright, S. H. Simpson, P. Zemánek, Kishan Dholakia*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

We demonstrate all-optical sympathetic cooling of a laser-trapped microsphere to sub-Kelvin temperatures, mediated by optical binding to a feedback-cooled adjacent particle. Our study opens prospects for multi-particle quantum entanglement and sensing in levitated optomechanics.
Original languageEnglish
Pages (from-to)1000-1002
Number of pages3
JournalOptica
Volume9
Issue number9
Early online date24 Aug 2022
DOIs
Publication statusPublished - 20 Sept 2022

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