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Updated: Jul 10, 2025
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Fabrication of Silica Ultra High Quality Factor Microresonators
Published on: July 2, 2012
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High Q-factor reconfigurable microresonators induced in side-coupled optical fibres
1Optoelectronics Research Centre, University of Southampton, Southampton, SO17 1BJ, UK. r.slavik@soton.ac.uk.
Light, Science & Applications
|November 23, 2023
Summary
Researchers are developing ways to keep light resonating in resonators for longer, aiming for high quality (Q) factors. A key challenge is tuning the free spectral range without sacrificing this high Q.
Area of Science:
- Optics and Photonics
- Resonator Technology
Background:
- Significant research focuses on enhancing light confinement in resonators to achieve high Q factors.
- High Q factors are crucial for various photonic applications, enabling longer light-matter interaction times.
Purpose of the Study:
- To address the challenge of tuning the free spectral range (FSR) in high-Q resonators.
- To develop methods for achieving tunable FSR while preserving high Q factors.
Main Methods:
- Investigating novel resonator designs.
- Exploring techniques for dynamic control of resonator properties.
Main Results:
- Demonstrated a method for tuning the free spectral range.
- Maintained high Q factors during FSR tuning.
Conclusions:
- Achieved tunable free spectral range in high-Q resonators.
- Overcame a significant challenge in resonator design, paving the way for advanced photonic devices.
