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Topology Optimization of High-Performance Optomechanical Resonator
Yincheng Shi1, Fengwen Wang2, Dennis Høj1
1Center for Macroscopic Quantum States (bigQ), Department of Physics, Technical University of Denmark, Fysikvej, Kgs. Lyngby, 2800, Denmark.
Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
|November 26, 2025
Summary
Researchers developed compact mechanical resonators using topology optimization. These high-performance resonators achieve high frequencies and quality-factor-frequency products for quantum technologies and advanced sensing.
Area of Science:
- Mechanical resonators
- Quantum technologies
- Optomechanics
Background:
- High-quality mechanical resonators are essential for quantum information technologies, precision sensing, and optomechanics.
- A key challenge is creating compact resonator designs without sacrificing performance.
Purpose of the Study:
- To present a new class of compact mechanical resonators.
- To optimize resonators for higher-order eigenmodes to enhance performance.
Main Methods:
- Topology optimization was employed to maximize the damping dilution factor.
- This method minimizes edge bending losses and enhances intrinsic damping.
Main Results:
- The developed resonators achieve high frequencies.
- Enhanced quality factor-frequency (Qf) products were realized.
- Minimized edge bending losses and enhanced intrinsic damping were observed.
Conclusions:
- The compact, high-performance resonators offer a promising solution for advanced applications.
- These resonators are suitable for quantum information transduction, optomechanical systems, and next-generation sensing technologies.
