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Nonlinear interactions between vibration modes with vastly different eigenfrequencies
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DOI：10.1038/s42005-023-01323-9.png)
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摘要
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Nonlinear interactions between modes with eigenfrequencies that differ by orders of magnitude are ubiquitous in various fields of physics, ranging from cavity optomechanics to aeroelastic systems. Simplifying their description to a minimal model and grasping the essential physics is typically a system-specific challenge. We show that the complex dynamics of these interactions can be distilled into a single generic form, namely, the Stuart-Landau oscillator. With our model, we study the injection locking and frequency pulling of a low-frequency mode interacting with a blue-detuned high-frequency mode, which generate frequency combs. Such combs are tunable around both the high and low carrier frequencies. By discussing the analogy with a simple mechanical system model, we offer a minimalistic conceptual view of these complex interactions originating the frequency combs, together with showcasing their frequency tunability. Nonlinear interactions between modes with eigenfrequencies that differ by orders of magnitude occur in several physical systems. This article provides a simple conceptual model of these interactions, and uses this model to design tunable frequency combs.
Keyword:
HIGH-FREQUENCY
CAVITY OPTOMECHANICS
BIFURCATIONS
MANIPULATION
RESONATORS
OSCILLATOR
DYNAMICS
SYSTEMS
期刊
IF:
5.8
论文数:
2.8K
被引数:
9.2K
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引用论文
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Nonlinear analysis of forced mechanical systems with internal resonance using spectral submanifolds, Part II: Bifurcation and quasi-periodic response使用光谱子流形对具有内部共振的受迫机械系统进行非线性分析，第二部分: 分叉和准周期响应OAAI
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