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Frankfurt 2006 – wissenschaftliches Programm

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Q: Quantenoptik und Photonik

Q 25: Photonische Kristalle II

Q 25.5: Vortrag

Dienstag, 14. März 2006, 14:45–15:00, HI

Nonlinear-optical response of metamaterials: Theory — •Walter Hoyer1, Tineke Stroucken1, Torsten Meier1, Stephan W. Koch1, Jens Förstner2, Jerome V. Moloney2, Matthias W. Klein3, Christian Enkrich3, Martin Wegener3, and Stefan Linden41Fachbereich Physik und Wissenschaftliches Zentrum für Materialwissenschaften, Universität Marburg, 35032 Marburg — 2Arizona Center for Mathematical Sciences, University of Arizona, Tucson, AZ 85721, USA — 3Institut für Angewandte Physik, Universität Karlsruhe (TH), 76131 Karlsruhe — 4Institut für Nanotechnologie, Forschungszentrum Karlsruhe, 76021 Karlsruhe

Metamaterials composed of sub-wavelength structures are known to result in fascinating physical effects in the microwave regime[1]. Lately, similar materials have been fabricated also in the optical regime and many of the linear properties are well understood[2]. Here, we present a theoretical approach suitable for the study of nonlinear effects as e.g. second-harmonic generation. The theory is based on a microscopic Vlasov-Maxwell approach which in its classical limit results in an equation for the current density coupled to Maxwell’s equations. Numerical solutions for the case of split-ring resonators are compared to our experiments.

[1] R. A. Shelby, D. R. Smith, S. Schultz, Science 292, 77 (2001)

[2] S. Linden et al., Science 306, 1351 (2004)

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