观察到耦合孤子克尔频率梳中的 Arnold 舌。

Observation of Arnold Tongues in Coupled Soliton Kerr Frequency Combs.

机构信息

Department of Applied Physics and Applied Mathematics, Columbia University, New York, New York 10027, USA.

School of Electrical and Computer Engineering, Cornell University, Ithaca, New York 14853, USA.

出版信息

Phys Rev Lett. 2019 Oct 11;123(15):153901. doi: 10.1103/PhysRevLett.123.153901.

DOI:10.1103/PhysRevLett.123.153901

PMID:31702288

Abstract

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.

摘要

我们在两个基于耦合腔孤子的克尔频梳系统中演示了各种同步模式。我们展示了耦合微谐振器的亚谐波、谐波和谐波比同步，并以非线性动力学系统中普遍存在的 Arnold 舌状结构揭示了它们的动力学。我们的实验结果与基于耦合 Lugiato-Lefever 方程的数值模拟吻合得很好。这封信件说明了在宽频梳间距范围内对 Kerr 频梳进行同步的新的灵活性程度，并可能在时间和频率计量学、光谱学、微波光子学、光通信和天文学等领域找到应用。