Turnkey photonic flywheel in a Chimera cavity

分类： 光学 >> 量子光学 提交时间： 2023-02-19

Mingming Nie Kunpeng Jia Jan Bartos Shining Zhu Zhenda Xie Shu-Wei Huang

摘要： Dissipative Kerr soliton (DKS) microcomb has emerged as an enabling technology that revolutionizes a wide range of applications in both basic science and technological innovation. Reliable turnkey operation with sub-opticalcycle and sub-femtosecond timing jitter is key to the success of many intriguing microcomb applications at the intersection of ultrafast optics and microwave electronics. Here we propose a novel approach to demonstrate the first turnkey Brillouin-DKS frequency comb. Our approach with a Chimera cavity offers essential benefits that are not attainable previously, including phase insensitivity, self-healing capability, deterministic selection of DKS state, and access to the ultralow noise comb state. The demonstrated turnkey Brillouin-DKS frequency comb achieves a fundamental comb linewidth of 100 mHz and DKS timing jitter of 1 femtosecond for averaging times up to 56 {\mu}s. The approach is universal and generalizable to various device platforms for user-friendly and field-deployable comb devices.

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