Intermittent chaos in an optomechanical resonator

• URL: http://arxiv.org/abs/2509.09258v1
• Date: Thu, 11 Sep 2025 08:42:20 GMT
• Title: Intermittent chaos in an optomechanical resonator
• Authors: Yue Huo, Zhe Wang, Zhenning Yang, Xiaohe Tang, Deng-Wei Zhang, Qianchuan Zhao, Wenjie Wan, Yu-xi Liu, Xin-You Lü, Guangming Zhao, Liang Lu, Jing Zhang,
• Abstract summary: We experimentally demonstrate, for the first time, optomechanically induced intermittent chaos in an optical whispering-gallery-mode microresonator.<n>Specifically, the system evolves from stable periodic oscillation through an intermittent-chaos regime before fully developing into chaotic motion.
• Score: 19.19255404420298
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Chaos is a fundamental phenomenon in nonlinear dynamics, manifesting as irregular and unpredictable behavior across various physical systems. Among the diverse routes to chaos, intermittent chaos is a distinct transition pathway, characterized by the temporal or spatial alternation between periodic and chaotic motions. Here, we experimentally demonstrate, for the first time, optomechanically induced intermittent chaos in an optical whispering-gallery-mode microresonator. Specifically, the system evolves from stable periodic oscillation through an intermittent-chaos regime before fully developing into chaotic motion. As system parameters vary, the proportion of chaotic motion in the time-domain increases asymptotically until chaotic dynamics dominates entirely. Moreover, it is counterintuitive that, intermittent chaos can act as noise of a favorable intensity compared with purely periodic or fully chaotic states, and enhance rather than reduce system's responses in nonlinear ultrasonic detection. These findings not only deepen the comprehensive understanding of chaos formation but also broaden its potential applications in high-precision sensing and information processing.

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