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Updated: Jun 21, 2026
07:42
Rapid Repetition Rate Fluctuation Measurement of Soliton Crystals in a Microresonator
Published on: December 15, 2021
Two-dimensionally relocatable microfiber-coupled photonic crystal resonator.
Ju-Young Kim1, Myung-Ki Kim, Min-Kyo Seo
1Department of Physics, KAIST, Daejeon 305-701, Korea. juyoung@kaist.ac.kr
Optics Express
|August 6, 2009
Summary
Researchers developed a relocatable photonic crystal microresonator using a curved microfiber. This innovation allows for precise positioning and spectral tuning, offering a new method for quantum dot coupling.
Area of Science:
- Photonics
- Optics
- Materials Science
Background:
- Photonic crystal microresonators are crucial for light manipulation.
- Current methods for coupling light to microresonators can be inflexible.
Purpose of the Study:
- To propose and demonstrate a novel, two-dimensionally relocatable photonic crystal microresonator.
- To achieve high Q-factor and efficient light collection for quantum applications.
Main Methods:
- Fabrication of a wavelength-scale resonator using a curved microfiber on a 2D square lattice photonic crystal slab.
- In-situ observation of lasing and 2D relocation using infrared microscopy.
- Spectral tuning by modifying microfiber curvature.
Main Results:
- Achieved a high Q-factor of 26,000 and 80% collection efficiency.
- Demonstrated successful two-dimensional relocation and in-situ spectral tuning of the microresonator.
- Confirmed resonator formation through lasing observations.
Conclusions:
- The proposed curved-microfiber coupling method enables flexible 2D resonator positioning and spectral control.
- This approach offers a promising alternative for efficient coupling with single quantum dots.
