期刊
PHYSICAL REVIEW LETTERS
卷 127, 期 18, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.127.184301
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资金
- China Scholarship Council
- A. v. Humboldt Foundation
- Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) through SFB 1432 [425217212]
- Wisconsin Alumni Research Foundation (WARF) via the Accelerator Program
Researchers investigated the sideband spectra of a driven nonlinear mode with its eigenfrequency modulated at a low frequency. They found that this additional parametric modulation leads to prominent antiresonance line shapes in the sideband spectra, which can be controlled through the vibration state of the driven mode.
We investigate the sideband spectra of a driven nonlinear mode with its eigenfrequency being modulated at a low frequency (< 1 kHz). This additional parametric modulation leads to prominent antiresonance line shapes in the sideband spectra, which can be controlled through the vibration state of the driven mode. We also establish a direct connection between the antiresonance frequency and the squeezing of thermal fluctuation in the system. Our Letter not only provides a simple and robust method for squeezing characterization, but also opens a new possibility toward sideband applications.
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