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Turnkey photonic flywheel in a Chimera cavity
Mingming Nie1, Kunpeng Jia2, Jan Bartos1
1University of Colorado Boulder.
Research Square
|February 17, 2023
Summary
Researchers developed a novel Brillouin-dissipative Kerr soliton (DKS) microcomb for reliable, turnkey operation. This innovation offers ultralow timing jitter and a narrow comb linewidth, enabling new applications in ultrafast optics and microwave electronics.
Area of Science:
- Optics and Photonics
- Quantum Optics
- Frequency Combs
Background:
- Dissipative Kerr soliton (DKS) microcombs are crucial for ultrafast optics and microwave electronics.
- Achieving reliable, turnkey operation with low timing jitter is essential for DKS microcomb applications.
Approach:
- A novel approach using a Chimera cavity is proposed to demonstrate the first turnkey Brillouin-DKS frequency comb.
- This method provides phase insensitivity, self-healing, deterministic DKS state selection, and access to ultralow noise comb states.
Key Points:
- The demonstrated turnkey Brillouin-DKS frequency comb exhibits a fundamental comb linewidth of 100 mHz.
- It achieves a DKS timing jitter of 1 femtosecond for averaging times up to 56 μs.
- The approach is universal and generalizable to various device platforms.
Conclusions:
- This work introduces a significant advancement in DKS microcomb technology.
- The developed turnkey Brillouin-DKS frequency comb is user-friendly and suitable for field-deployable applications.
- This technology has the potential to revolutionize applications at the intersection of ultrafast optics and microwave electronics.
