Anomalies in light scattering

A Krasnok, D Baranov, H Li, MA Miri… - Advances in Optics …, 2019 - opg.optica.org
The scattering of electromagnetic waves lies at the heart of most experimental techniques
over nearly the entire electromagnetic spectrum, ranging from radio waves to optics and x …

Normalization, orthogonality, and completeness of quasinormal modes of open systems: the case of electromagnetism

C Sauvan, T Wu, R Zarouf, EA Muljarov, P Lalanne - Optics Express, 2022 - opg.optica.org
The scattering of electromagnetic waves by resonant systems is determined by the excitation
of the quasinormal modes (QNMs), ie the eigenmodes, of the system. This Review …

[HTML][HTML] Roadmap on photonic metasurfaces

SA Schulz, R Oulton, M Kenney, A Alù, I Staude… - Applied Physics …, 2024 - pubs.aip.org
Here we present a roadmap on Photonic metasurfaces. This document consists of a number
of perspective articles on different applications, challenge areas or technologies underlying …

Modeling electromagnetic resonators using quasinormal modes

PT Kristensen, K Herrmann, F Intravaia… - Advances in Optics and …, 2020 - opg.optica.org
We present a biorthogonal approach for modeling the response of localized electromagnetic
resonators using quasinormal modes, which represent the natural, dissipative eigenmodes …

Reflectionless programmable signal routers

J Sol, A Alhulaymi, AD Stone, P Del Hougne - Science Advances, 2023 - science.org
We demonstrate experimentally that reflectionless scattering modes (RSMs), a generalized
version of coherent perfect absorption, can be functionalized to perform reflectionless …

Coherent virtual absorption based on complex zero excitation for ideal light capturing

DG Baranov, A Krasnok, A Alù - Optica, 2017 - opg.optica.org
Absorption of light is directly associated with dissipative processes in a material. In suitably
tailored resonators, a specific level of dissipation can support coherent perfect absorption …

Purcell factor of spherical Mie resonators

X Zambrana-Puyalto, N Bonod - Physical Review B, 2015 - APS
Using a modal approach, we compute the Purcell factor for spherical resonators. The
analytic expressions of the normal modes of the resonator are used to calculate the effective …

Poles and zeros in non-Hermitian systems: Application to photonics

F Binkowski, F Betz, R Colom, P Genevet, S Burger - Physical Review B, 2024 - APS
Resonances are essential for understanding the interactions between light and matter in
photonic systems. The real frequency response of the non-Hermitian systems depends on …

Plasma ignition via high-power virtual perfect absorption

T Delage, J Sokoloff, O Pascal, V Mazières… - ACS …, 2023 - ACS Publications
Plasma ignition is critical in various scientific and industrial applications, demanding an
efficient and robust execution mechanism. In this work, we present an innovative approach …

Covert Scattering Control in Metamaterials with Non‐Locally Encoded Hidden Symmetry

J Sol, M Röntgen, P Del Hougne - Advanced Materials, 2024 - Wiley Online Library
Symmetries and tunability are of fundamental importance in wave scattering control, but
symmetries are often obvious upon visual inspection, which constitutes a significant …