Observation of Arnold Tongues in Coupled Soliton Kerr Frequency Combs
Observation of Arnold Tongues in Coupled Soliton Kerr Frequency Combs
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DOI：
10.1103/physrevlett.123.153901
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发表时间：
2019-10-09
影响因子：
8.6
通讯作者：
Gaeta, Alexander L.
中科院分区：
文献类型：
--
作者：
Jang, Jae K.;Ji, Xingchen;Gaeta, Alexander L.
我们演示了两个基于耦合腔孤子的克尔频率梳系统中的各种同步机制。我们展示了耦合微谐振器的次谐波、谐波和谐波比同步，并以阿诺德舌的形式揭示了它们的动力学，阿诺德舌是非线性动力系统中普遍存在的结构。基于耦合 Lugiato-Lefever 方程的数值模拟很好地证实了我们的实验结果。这封信说明了在各种梳间距上同步克尔梳的新发现的灵活性，并且可以在时间和频率计量、光谱学、微波光子学、光通信和天文学中找到应用。
We demonstrate various regimes of synchronization in systems of two coupled cavity soliton-based Kerr frequency combs. We show subharmonic, harmonic, and harmonic-ratio synchronization of coupled microresonators, and reveal their dynamics in the form of Arnold tongues, structures that are ubiquitous in nonlinear dynamical systems. Our experimental results are well corroborated by numerical simulations based on coupled Lugiato-Lefever equations. This Letter illustrates the newfound degree of flexibility in synchronizing Kerr combs across a wide range of comb spacings and could find applications in time and frequency metrology, spectroscopy, microwave photonics, optical communications, and astronomy.