@article {3606, title = {All-optical sub-Kelvin sympathetic cooling of a levitated microsphere in vacuum}, journal = {Optica}, volume = {9}, year = {2022}, month = {Sep}, pages = {1000{\textendash}1002}, 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.

}, doi = {10.1364/OPTICA.466337}, url = {https://opg.optica.org/optica/abstract.cfm?URI=optica-9-9-1000} }