All-Dielectric Metasurface-Based Gap Waveguides
V. R. Tuz, V. V. Khardikov, I. Allayarov, A. Calà Lesina, A. B. Evlyukhin
- Advanced Photonics Research, 2025 -
DOI: 10.1002/adpr.202500128
Analytical model of metasurfaces comprising meta-atoms with anisotropic polarizabilities and for arbitrary incident angles
I. Allayarov, V. R. Tuz, A. Calà Lesina, A. B. Evlyukhin
- APS, 2025 -
DOI: 10.1103/PhysRevB.111.155438
Anapole mechanism of bound states in the continuum in symmetric dielectric metasurfaces
I. Allayarov, A. Calà Lesina, A. B. Evlyukhin
- APS, 2024 -
DOI: 10.1103/PhysRevB.109.L241405
Multiresonant all-dielectric metasurfaces based on high-order multipole coupling in the visible
I. Allayarov, A. B. Evlyukhin, A. Calà Lesina
- Optics Express, 2024 -
DOI: 10.1364/OE.511172
Dynamic Nanophotonics in Epsilon-Near-Zero Conductive Oxide Films and Metasurfaces: A Quantitative, Nonlinear, Computational Model
J. Baxter, A. Pérez-Casanova, L. Cortes-Herrera, A. Calà Lesina, I. De Leon, L. Ramunno
- Advanced Photonics Research, 2023 -
DOI: 10.1002/adpr.202200280
Parallel FDTD modelling of nonlocality in plasmonics
J. Baxter, A. Calà Lesina, L. Ramunno
- IEEE Transactions on Antennas and Propagation, 2021 -
DOI: 10.1109/TAP.2020.3044579
Parallelization strategy: 2-D representation of magnetic and electric field data transfers between adjacent subdomains.
Staircasing artifacts are much more prominent in (a) for LRA (local response approximation) FDTD than in (b) for nonlocal Drude FDTD
Modelling of nanophotonic non-linear metasurfaces, chapter 4
A. Calà Lesina, P. Berini, L. Ramunno
- Integrated Optics Volume 1, 2020 -
DOI: 10.1049/PBCS077F_ch4
Design of a metasurface for THG structured beam carrying OAM: (a) theoretical linear near field, (b) theoretical non-linear near field, (c) metasurface design for realizing the desired linear and non-linear near fields, (d) field distribution in the time domain (left) and frequency domain (right) obtained by FDTD simulation, and (e) computed non-linear far-field beam created by the metasurface
CHAPTER 6 - SIMULATIONS IN NANOPHOTONICS
A. Calà Lesina, J. Baxter, P. Berini, L. Ramunno
- Quantum Nano-Photonics, 2018 -
DOI: 10.1007/978-94-024-1544-5_6
ORIGIN OF THIRD HARMONIC GENERATION IN PLASMONIC NANOANTENNAS
A. Calà Lesina, P. Berini, L. Ramunno
- Optical Materials Express, 2017 -
https://doi.org/10.1364/OME.7.001575
Understanding third harmonic generation (THG) in hybrid nanoantennas
THG near-field (electric field magnitude). The THG is simulated directly in the code.
On the convergence and accuracy of the FDTD method for nanoplasmonics
A. Calà Lesina, A. Vaccari, P. Berini, L. Ramunno
- Optics Express, 2015 -
DOI: 10.1364/OE.23.010481
