Physics – Computational Physics
Scientific paper
2006-01-05
Proc. SPIE 6115 (2006) 611515. (Physics and Simulation of Optoelectronic Devices XIV, M. Osinski; F. Henneberger; Y. Arakawa,
Physics
Computational Physics
11 pages, 6 figures (see original publication for images with a better resolution)
Scientific paper
10.1117/12.646252
Miniaturized optical resonators with spatial dimensions of the order of the wavelength of the trapped light offer prospects for a variety of new applications like quantum processing or construction of meta-materials. Light propagation in these structures is modelled by Maxwell's equations. For a deeper numerical analysis one may compute the scattered field when the structure is illuminated or one may compute the resonances of the structure. We therefore address in this paper the electromagnetic scattering problem as well as the computation of resonances in an open system. For the simulation efficient and reliable numerical methods are required which cope with the infinite domain. We use transparent boundary conditions based on the Perfectly Matched Layer Method (PML) combined with a novel adaptive strategy to determine optimal discretization parameters like the thickness of the sponge layer or the mesh width. Further a novel iterative solver for time-harmonic Maxwell's equations is presented.
Burger Stefaan
Kettner B.
Schmidt Frederic
Zschiedrich Lin
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