Synchronization and Phase Noise Reduction in Micromechanical Oscillator Arrays Coupled through Light.
Phys Rev Lett
; 115(16): 163902, 2015 Oct 16.
Article
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| MEDLINE
| ID: mdl-26550878
ABSTRACT
Synchronization of many coupled oscillators is widely found in nature and has the potential to revolutionize timing technologies. Here, we demonstrate synchronization in arrays of silicon nitride micromechanical oscillators coupled in an all-to-all configuration purely through an optical radiation field. We show that the phase noise of the synchronized oscillators can be improved by almost 10 dB below the phase noise limit for each individual oscillator. These results open a practical route towards synchronized oscillator networks.
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