Synchronization of Optomechanical Nanobeams by Mechanical Interaction

Physical Review Letters
M F ColombanoD Navarro-Urrios

Abstract

The synchronization of coupled oscillators is a phenomenon found throughout nature. Mechanical oscillators are paradigmatic examples, but synchronizing their nanoscaled versions is challenging. We report synchronization of the mechanical dynamics of a pair of optomechanical crystal cavities that, in contrast to previous works performed in similar objects, are intercoupled with a mechanical link and support independent optical modes. In this regime they oscillate in antiphase, which is in agreement with the predictions of our numerical model that considers reactive coupling. We also show how to temporarily disable synchronization of the coupled system by actuating one of the cavities with a heating laser, so that both cavities oscillate independently. Our results can be upscaled to more than two cavities and pave the way towards realizing integrated networks of synchronized mechanical oscillators.

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Citations

Sep 16, 2020·Optics Letters·Laura MercadéAlejandro Martínez
Feb 23, 2020·Physical Review Letters·Jiteng ShengHaibin Wu
Dec 3, 2020·Chaos·Sarbendu Rakshit, Dibakar Ghosh
Aug 31, 2021·Physical Review Letters·Laura MercadéEwold Verhagen
Sep 26, 2021·Nature Communications·Caique C RodriguesGustavo S Wiederhecker

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