Dresden 2017 – wissenschaftliches Programm

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HL: Fachverband Halbleiterphysik

HL 43: Plasmonics and Nanooptics V: Light-Matter Interaction

HL 43.5: Vortrag

Dienstag, 21. März 2017, 15:00–15:15, TRE Ma

Modeling of higher harmonic generation with the Fourier modal method using adaptive coordinates — •Josselin Defrance, Martin Schäferling, Maxim L. Nesterov, and Thomas Weiss — 4th Physics Institute and Research Centers SCoPE, University of Stuttgart, Germany

Metallic nano-structures can concentrate light into sub-wavelength volumes resulting in strong nonlinear responses. The influence of the geometry of such nano-systems, however, is not fully understood. Modeling these effects will not only help to optimize the nonlinear response of plasmonic nano-structures, but will also provide a better understanding of these phenomena. Nowadays, different numerical methods to model the interaction of electromagnetic fields with matter exist. The so-called Fourier modal method offers a fast and highly accurate calculation of far-field responses.

It has been shown that the Fourier modal method can be extended in order to calculate the generation of higher harmonics [1]. We have combined this method with adaptive spatial resolution and adaptive coordinates [2], thus providing an efficient and accurate numerical method for the precise analysis of the nonlinear optical responses of complex plasmonic geometries.

[1] T. Paul et al., J. Opt. Soc. B, Vol. 27, Issue. 5, pp. 1118 (2010).

[2] T. Weiss et al., Opt. Express 17, 8051 (2009).

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