Journal
PHYSICAL REVIEW LETTERS
Volume 112, Issue 1, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.112.014101
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Funding
- National Science Foundation [DMR-0314069, DMR-1003337]
- European Commission [PIOF-GA-2008-220682]
- Division Of Materials Research
- Direct For Mathematical & Physical Scien [1003337] Funding Source: National Science Foundation
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We investigate the synchronization of oscillators based on anharmonic nanoelectromechanical resonators. Our experimental implementation allows unprecedented observation and control of parameters governing the dynamics of synchronization. We find close quantitative agreement between experimental data and theory describing reactively coupled Duffing resonators with fully saturated feedback gain. In the synchronized state we demonstrate a significant reduction in the phase noise of the oscillators, which is key for sensor and clock applications. Our work establishes that oscillator networks constructed from nanomechanical resonators form an ideal laboratory to study synchronization-given their high-quality factors, small footprint, and ease of cointegration with modern electronic signal processing technologies.
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