Optical limiters relying on VO2 phase transition in thin multilayer films
- Resource Type
- Conference
- Authors
- Gandolfi, Marco; Tognazzi, Andrea; Li, Bohan; Morales, Rocio Camacho; Ambrosio, Gina; Baratto, Camilla; de Ceglia, Domenico; Neshev, Dragomir N.; De Angelis, Costantino
- Source
- 2022 Conference on Lasers and Electro-Optics (CLEO) Lasers and Electro-Optics (CLEO), 2022 Conference on. :1-2 May, 2022
- Subject
- Photonics and Electrooptics
Geometry
Vanadium
Lasers and electrooptics
Nonhomogeneous media
Optical films
Laser transitions
Electrooptical waveguides
- Language
We propose a self-activating optical limiter device based on phase transition of vanadium dioxide in thin multilayer films. The optimal geometry reduces the transmitted power by ~ 70% and shows a recovery time of 10 ns.