Inverse design of photonic and phononic topological insulators: a review

Y Chen, Z Lan, Z Su, J Zhu - Nanophotonics, 2022 - degruyter.com
Photonic and phononic topological insulators (TIs) offer numerous opportunities for
manipulating light and sound with high efficiency and resiliency. On the other hand, inverse …

A non-linear material interpolation for design of metallic nano-particles using topology optimization

RE Christiansen, J Vester-Petersen, SP Madsen… - Computer Methods in …, 2019 - Elsevier
This paper discusses a non-linear bi-material interpolation scheme for the relative electric
permittivity, ϵ r, through the refractive index and extinction coefficient. The scheme is tailored …

Inverse design of nanoparticles for enhanced Raman scattering

RE Christiansen, J Michon, M Benzaouia… - Optics …, 2020 - opg.optica.org
We show that topology optimization (TO) of metallic resonators can lead to∼ 10^ 2×
improvement in surface-enhanced Raman scattering (SERS) efficiency compared to …

Inverse Design of Photonic Topological Insulators with Extra‐Wide Bandgaps

Y Chen, F Meng, B Jia, G Li… - physica status solidi (RRL) …, 2019 - Wiley Online Library
An intelligent approach for inversely designing topological photonic crystals (PCs) with time‐
reversal symmetry (TRS) at any desired frequency is presented. By accurately controlling the …

Topology optimization of photonic crystals with exotic properties resulting from Dirac-like cones

Y Chen, F Meng, G Li, X Huang - Acta Materialia, 2019 - Elsevier
The Dirac-like cones underlie many unique properties of photonic crystals (PhCs). This
paper aims to design fabrication-friendly PhCs with Dirac-like cones for transverse magnetic …

On critical aeroelastic modes of a tri-rotor wind turbine

OT Filsoof, A Yde, P Bøttcher, X Zhang - International Journal of …, 2021 - Elsevier
This paper presents the first investigation on a high-fidelity linear time-invariant aeroelastic
model of multi-rotor wind turbines with three-bladed rotors. The modeling method developed …

Improving the efficiency of upconversion by light concentration using nanoparticle design

SP Madsen, J Christiansen… - Journal of Physics D …, 2019 - iopscience.iop.org
Upconversion of sunlight with energy below the band gap of a solar cell is a promising
technique for enhancing the cell efficiency, simply by utilizing a larger part of the solar …

Improving the efficiency of solar cells by upconverting sunlight using field enhancement from optimized nano structures

P Balling, J Christiansen, RE Christiansen, E Eriksen… - Optical Materials, 2018 - Elsevier
Spectral conversion of the sunlight has been proposed as a method for enhancing the
efficiency of photovoltaic devices, which are limited in current production by the mismatch …

Strongly enhanced upconversion in trivalent erbium ions by tailored gold nanostructures: toward high-efficient silicon-based photovoltaics

J Christiansen, J Vester-Petersen, S Roesgaard… - Solar Energy Materials …, 2020 - Elsevier
Upconversion of sub-band-gap photons constitutes a promising way for improving the
efficiency of silicon-based solar cells beyond the Shockley-Queisser limit. 1500 nm to 980 …

Applying machine learning to the optics of dielectric nanoblobs

J Trisno, H Wang, HT Wang, RJH Ng… - Advanced Photonics …, 2020 - Wiley Online Library
Dielectric nanostructures are the basic building blocks for photonic metasurfaces exhibiting
designer optical responses. As their optical responses are nonintuitive, design procedures …