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Fabrication of 1-D Photonic Crystal Cavity on a Nanofiber Using Femtosecond Laser-induced Ablation
Published on: February 25, 2017
Femtoliter tunable optical cavity arrays
Philip R Dolan1, Gareth M Hughes, Fabio Grazioso
1Department of Materials, University of Oxford, Parks Road, Oxford OX1 3PN, UK.
Optics Letters
|November 3, 2010
Summary
Researchers developed large arrays of tunable optical microcavities. These high-quality microcavities are promising for quantum optics, single photon sources, and atom detection.
Area of Science:
- Optics and Photonics
- Quantum Technologies
Background:
- Optical microcavities are fundamental components in quantum optics.
- Precise control over microcavity properties is crucial for advanced applications.
Purpose of the Study:
- To report the development of large arrays of uniform, precisely tunable, open-access optical microcavities.
- To characterize the performance and potential applications of these microcavities.
Main Methods:
- Fabrication of large-scale microcavity arrays.
- Characterization of mode structure, finesse, and quality (Q) factors.
- Tuning mechanisms for precise control over cavity properties.
Main Results:
- Demonstrated arrays of uniform optical microcavities with mode volumes as small as 2.2 μm³.
- Achieved high finesses up to 460 and quality (Q) factors exceeding 10,000.
- Observed clear Hermite-Gauss mode structure.
Conclusions:
- The developed microcavities offer a scalable platform for quantum optics.
- Potential applications include single atom detection and efficient single photon sources.
- These cavities could be extended for strong coupling regime experiments.

