| Issue |
J. Eur. Opt. Society-Rapid Publ.
Volume 21, Number 1, 2025
|
|
|---|---|---|
| Article Number | 26 | |
| Number of page(s) | 28 | |
| DOI | https://doi.org/10.1051/jeos/2025014 | |
| Published online | 11 June 2025 | |
Review Article
Light and sound interplay in whispering gallery mode resonators
CNR-IFAC, Institute of Applied Physics “N. Carrara”, Via Madonna del Piano 10, 50019 Sesto Fiorentino, Italy
* Corresponding author: s.soria1s.soria@ifac.cnr.it
Received:
25
November
2024
Accepted:
25
March
2025
Whispering Gallery Mode Resonators (WGMRs) are robust and compact structures that confine resonant photons and phonons for extended time. This extraordinary confinement greatly enhances light and sound interactions and allows a plethora of fundamental phenomena to happen, ranging from nonlinear optics with continuous wave lasers to exceptional point going through mode shifting, splitting and broadening. These WGMR are highly versatile since their design can be tailored to the application by modifying either their size or the material used for their fabrication. We will focus on three dimensional WGMR, we will describe the physical working principles, their fabrication and their applications as sensors.
Key words: Whispering gallery mode / Resonators / Optomechanics / Sensors
© The Author(s), published by EDP Sciences, 2025
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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