Journal
PHYSICAL REVIEW LETTERS
Volume 111, Issue 21, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.111.213902
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Funding
- STIR grant from ARO
- DARPA/MTO's ORCHID program through a grant from AFOSR
- Netherlands Organization for Scientific Research (NWO)/Marie Curie Cofund Action
- ERC Starting Grant
- ITN cQOM
- DFG Emmy-Noether grant
- Packard Fellowship in Science and Engineering
- Career Grant from the National Science Foundation
- Directorate For Engineering
- Div Of Electrical, Commun & Cyber Sys [0846919] Funding Source: National Science Foundation
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Synchronization in oscillatory systems is a frequent natural phenomenon and is becoming an important concept in modern physics. Nanomechanical resonators are ideal systems for studying synchronization due to their controllable oscillation properties and engineerable nonlinearities. Here we demonstrate synchronization of two nanomechanical oscillators via a photonic resonator, enabling optomechanical synchronization between mechanically isolated nanomechanical resonators. Optical backaction gives rise to both reactive and dissipative coupling of the mechanical resonators, leading to coherent oscillation and mutual locking of resonators with dynamics beyond the widely accepted phase oscillator (Kuramoto) model. In addition to the phase difference between the oscillators, also their amplitudes are coupled, resulting in the emergence of sidebands around the synchronized carrier signal.
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