| Issue |
EPJ Appl. Metamat.
Volume 11, 2024
Special Issue on ‘Metamaterials for Novel Wave Phenomena: Theory, Design and Application in Microwaves’, edited by Sander Mann and Stefano Vellucci
|
|
|---|---|---|
| Article Number | 1 | |
| Number of page(s) | 6 | |
| DOI | https://doi.org/10.1051/epjam/2023004 | |
| Published online | 02 February 2024 | |
https://doi.org/10.1051/epjam/2023004
Research Article
Clarifying the origin of second-harmonic generation from an epsilon-near-zero flim-coupled plasmonic nanoparticle-on-mirror system by size-dependence properties
College of Physics, Key Laboratory of High Energy Density Physics and Technology of the Ministry of Education, Sichuan University, Chengdu, Sichuan 610065, PR China
* e-mail: fyang@scu.edu.cn
Received:
15
October
2023
Accepted:
15
December
2023
Published online: 2 February 2024
We conduct a comprehensive numerical investigation on the size-dependence properties of second harmonic generation (SHG) from an epsilon-near-zero (ENZ) film-coupled plasmonic nanoparticle on-mirror (NPoM) system. The distinct size dependence of gold and indium-tin-oxide (ITO) leads to the existence of a critical point where the SHGs from these two materials are balanced. This study offers valuable guidance in the design of plasmonic systems containing ENZ materials for enhancing SHG.
Key words: Second-harmonic generation / epsilon-near-zero / nanoparticle-on-mirror / size-dependence
© Y. Zhang et al., Published by EDP Sciences, 2024
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