Advanced finite element method for nano-resonators

Lin Zschiedrich; Sven Burger; Benjamin Kettner; Frank Schmidt

doi:10.1117/12.646252

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28 February 2006 Advanced finite element method for nano-resonators

Lin Zschiedrich; Sven Burger; Benjamin Kettner; Frank Schmidt

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Proceedings Volume 6115, Physics and Simulation of Optoelectronic Devices XIV; 611515 (2006) https://doi.org/10.1117/12.646252
Event: Integrated Optoelectronic Devices 2006, 2006, San Jose, California, United States

Abstract

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 effcient 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.

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Lin Zschiedrich, Sven Burger, Benjamin Kettner, and Frank Schmidt "Advanced finite element method for nano-resonators", Proc. SPIE 6115, Physics and Simulation of Optoelectronic Devices XIV, 611515 (28 February 2006); https://doi.org/10.1117/12.646252

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