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Sauvan, Christophe
French National Centre for Scientific Research
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (8/8 displayed)
- 2022Role of Static Modes in Quasinormal Modes Expansions: When and How to Take Them into Account?citations
- 2019Quasinormal mode solvers for resonators with dispersive materialscitations
- 2016Generation and Spatial Control of Hybrid Tamm Plasmon/Surface Plasmon Modescitations
- 2016Polaritonic modes in a dense cloud of cold atomscitations
- 2013Multi-resonant absorption in ultra-thin silicon solar cells with metallic nanowirescitations
- 2013Multi-resonant absorption in ultra-thin silicon solar cells with metallic nanowirescitations
- 2012Nanopatterned front contact for broadband absorption in ultra-thin amorphous silicon solar cellscitations
- 2012Nanopatterned front contact for broadband absorption in ultra-thin amorphous silicon solar cellscitations
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article
Quasinormal mode solvers for resonators with dispersive materials
Abstract
Optical resonators are widely used in modern photonics. Their spectral response and temporal dynamics are fundamentally driven by their natural resonances, the so-called quasinormal modes (QNMs), with complex frequencies. For optical resonators made of dispersive materials, the QNM computation requires solving a nonlinear eigenvalue problem. This raises a difficulty that is only scarcely documented in the literature. We review our recent efforts for implementing efficient and accurate QNM solvers for computing and normalizing the QNMs of micro- and nanoresonators made of highly dispersive materials. We benchmark several methods for three geometries, a two-dimensional plasmonic crystal, a two-dimensional metal grating, and a three-dimensional nanopatch antenna on a metal substrate, with the perspective to elaborate standards for the computation of resonance modes. ; Théorie et modélisation numérique des résonances optiques