Simulation of three-dimensional nanoscale light interaction with spatially dispersive metals using a high order curvilinear DGTD method

• Published in: Journal of computational physics Vol. 373; pp. 210 - 229
• Main Authors: Schmitt, Nikolai, Scheid, Claire, Viquerat, Jonathan, Lanteri, Stéphane
• Format: Journal Article
• Language: English
• Published: Cambridge Elsevier Inc 15.11.2018; Elsevier Science Ltd; Elsevier
• Subjects: Computational physics; Computer Science; Computer simulation; Discontinuous Galerkin time-domain method; Electromagnetic radiation; Fluxes; Galerkin method; Isoparametric curvilinear elements; Mathematical models; Maxwell's equations; Modeling and Simulation; Nanoparticles; Nanoplasmonics; Nonlocal Drude model; Runge-Kutta method; Simulation; Spatial dispersion; Stability analysis; Time domain analysis; Wave propagation; Discontinuous Galerkin time-domain method; Nanoplasmonics; Maxwell's equations; Nonlocal Drude model; Spatial dispersion; Isoparametric curvilinear elements

•An improved time-domain material model for spatially dispersive materials.•The model combines a local dispersion model for the bound electrons with a nonlocal one for the free electrons response.•Performance improvements of DGTD due to upwind fluxes, curvilinear meshes, and parallel computing in 3D...