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Updated: Aug 2, 2026
10:26
Fabrication and Characterization of Superconducting Resonators
Published on: May 21, 2016
Modal analysis of Bragg onion resonators
Yong Xu1, Wei Liang, Amnon Yariv
1Department of Applied Physics, MS 128-95, California Institute of Technology, Pasadena, California 91125, USA. yong@its.caltech.edu
Optics Letters
|March 10, 2004
Summary
Bragg onion resonators with omnidirectional reflectors mimic perfect metal cavities. These resonators are ideal for enhancing light-matter interactions in devices like lasers and single-photon sources.
Area of Science:
- Optics and Photonics
- Cavity Quantum Electrodynamics
Background:
- High Q modes in optical resonators are crucial for enhancing light-matter interactions.
- Bragg onion resonators offer unique confinement properties due to their layered structure and omnidirectional reflector cladding.
Purpose of the Study:
- To investigate the resonant modes of Bragg onion resonators.
- To establish an analogy between Bragg onion resonators and spherical hollow cavities.
- To explore the potential applications of these resonators in quantum devices.
Main Methods:
- Analysis of high Q modes in a Bragg onion resonator.
- Theoretical modeling comparing resonator behavior to ideal metallic cavities.
Main Results:
- A close analogy was established between Bragg onion resonators and spherical cavities in perfect metals.
- The study identified the high Q modes as key to this analogy.
Conclusions:
- Bragg onion resonators exhibit properties analogous to ideal metallic cavities.
- These resonators are highly suitable for applications demanding a large spontaneous-emission factor (beta), such as thresholdless lasers and single-photon devices.
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