| Issue |
EPJ Web Conf.
Volume 255, 2021
EOS Annual Meeting (EOSAM 2021)
|
|
|---|---|---|
| Article Number | 07001 | |
| Number of page(s) | 4 | |
| Section | Topical Meeting (TOM) 9- Optics at Nanoscale (ONS) | |
| DOI | https://doi.org/10.1051/epjconf/202125507001 | |
| Published online | 18 November 2021 | |
https://doi.org/10.1051/epjconf/202125507001
BIC in waveguide arrays
1 Institute of Photonics and Electronics AS CR, Chaberská 57, 182 00, Praha 8, Czech Republic
2 Institute of Physical Engineering, Faculty of Mechanical Engineering, Brno University of Technology, Technická 2896/2, 61 609, Brno, Czech Republic
* e-mail: kuzmiak@ufe.cz
Published online: 18 November 2021
We propose a simple theoretical model based on the coupled-mode theory which allows to calculate the spectral properties and transmittance of the one-dimensional waveguide structures. The model was verified on the common coupled-waveguide array in which the existence of the symmetry-protected bound state in the continuum (BIC) was confirmed experimentally by Plotnik et al. [Phys. Rev. Lett. 107, 28-31 (2011)]. The method can be extended to topologically nontrivial lattices to explore the properties of the BICs protected by time-reversal symmetry.
© The Authors, published by EDP Sciences, 2021
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