Numerical optimization methods for metasurfaces

MMR Elsawy, S Lanteri, R Duvigneau… - Laser & Photonics …, 2020 - Wiley Online Library
In recent years, metasurfaces have emerged as revolutionary tools to manipulate the
behavior of light at the nanoscale. These devices consist of nanostructures defined within a …

Inverse designed metalenses with extended depth of focus

E Bayati, R Pestourie, S Colburn, Z Lin… - ACS …, 2020 - ACS Publications
Extended depth of focus (EDOF) lenses are important for various applications in
computational imaging and microscopy. In addition to enabling novel functionalities, EDOF …

Inverse designed extended depth of focus meta-optics for broadband imaging in the visible

E Bayati, R Pestourie, S Colburn, Z Lin, SG Johnson… - …, 2022 - degruyter.com
We report an inverse-designed, high numerical aperture (∼ 0.44), extended depth of focus
(EDOF) meta-optic, which exhibits a lens-like point spread function (PSF). The EDOF meta …

Global optimization of metasurface designs using statistical learning methods

MMR Elsawy, S Lanteri, R Duvigneau, G Brière… - Scientific reports, 2019 - nature.com
Optimization of the performance of flat optical components, also dubbed metasurfaces, is a
crucial step towards their implementation in realistic optical systems. Yet, most of the design …

Robust inverse design of all-dielectric metasurface transmission-mode color filters

SS Panda, HS Vyas, RS Hegde - Optical Materials Express, 2020 - opg.optica.org
The strong dispersion, ultra-thin form-factor and robustness to degradation make
metasurfaces attractive for color filter applications. In particular, transmission-mode filters …

Optimization of metasurfaces under geometrical uncertainty using statistical learning

MMR Elsawy, M Binois, R Duvigneau, S Lanteri… - Optics …, 2021 - opg.optica.org
The performance of metasurfaces measured experimentally often discords with expected
values from numerical optimization. These discrepancies are attributed to the poor tolerance …

Nanolaser potential in communications and data handling

GP Puccioni, T Wang, GL Lippi - Semiconductor Lasers and …, 2024 - spiedigitallibrary.org
The pivotal role played by semiconductor lasers in telecommunications and data storage
applications requires dealing with time lag and relaxation oscillations, which limit bandwidth …

Long-lifetime coherence in a quantum emitter induced by a metasurface

E Lassalle, P Lalanne, S Aljunid, P Genevet, B Stout… - Physical Review A, 2020 - APS
An anisotropic quantum vacuum (AQV) has been predicted to induce quantum interferences
during the spontaneous emission process in an atomic V transition [GS Agarwal, Phys. Rev …

Submicron Embedded Air/GaN Diffraction Gratings for Photonic Applications

O Gołyga, G Muziol… - Advanced Electronic …, 2024 - Wiley Online Library
The integration of photonic elements with nitride optoelectronic structures allows control of
emitted light properties, which is advantageous for achieving, eg, a single wavelength …

Enhanced adaptive surrogate models with applications in uncertainty quantification for nanoplasmonics

N Georg, D Loukrezis, U Römer… - International Journal for …, 2020 - dl.begellhouse.com
We propose an efficient surrogate modeling technique for uncertainty quantification. The
method is based on a well-known dimension-adaptive collocation scheme. We improve the …