| Issue |
EPJ Web Conf.
Volume 287, 2023
EOS Annual Meeting (EOSAM 2023)
|
|
|---|---|---|
| Article Number | 04018 | |
| Number of page(s) | 2 | |
| Section | Topical Meeting (TOM) 4- Nanophotonics | |
| DOI | https://doi.org/10.1051/epjconf/202328704018 | |
| Published online | 18 October 2023 | |
https://doi.org/10.1051/epjconf/202328704018
Enlarging the spectral accessibility of photonic zero-modes in coupled Photonic Crystal cavities through "image barrier" engineering
Centre de Nanosciences et de Nanotechnologies (C2N), CNRS, Université Paris-Saclay, 91120 Palaiseau, France
* Corresponding author: melissa.hedir@universite-paris-saclay.fr
Published online: 18 October 2023
Photonic modes resistant to imperfections or perturbations are of paramount importance in many photonic applications. In this context, zero-modes have several advantages. Unfortunately, they are often difficult to observe. In this work, focusing on coupled photonic crystal cavities, we propose and demonstrate a technique that allows control of inter-cavity coupling without introducing concomitant frequency mismatch, thus allowing observation of zero-modes in a non-Hermitian system and testing of their robustness against asymmetries of coupling. This is done through an original "image barrier" engineering approach.
© The Authors, published by EDP Sciences, 2023
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