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Schematic of two optically coupled optomechanical oscillators consisting of two vertically stacked, suspended Si3N4 disks. The arrows indicate oscillation, and the rectangle highlights the region of evanescent optical coupling. Selected for an Editors' Suggestion. [Mian Zhang, Gustavo S. Wiederhecker, Sasikanth Manipatruni, Arthur Barnard, Paul McEuen, and Michal Lipson, Phys. Rev. Lett. 109, 233906 (2012)] |


