Multipole nonlinearity of metamaterials

J. Petschulat, A. Chipouline, A. Tünnermann, T. Pertsch, C. Menzel, C. Rockstuhl, F. Lederer

Research output: Contribution to journalArticlepeer-review

33 Citations (Scopus)

Abstract

We report on the linear and nonlinear optical response of metamaterials evoked by first- and second-order multipoles. The analytical ground on which our approach is based permits for new insights into the functionality of metamaterials. For the sake of clarity we focus here on a key geometry, namely, the split-ring resonator, although the introduced formalism can be applied to arbitrary structures. We derive the equations that describe linear and nonlinear light propagation where special emphasis is put on second-harmonic generation. This contribution basically aims at stretching versatile and existing concepts to describe light propagation in nonlinear media toward the realm of metamaterials.

Original languageEnglish
Article number063828
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Volume80
Issue number6
DOIs
Publication statusPublished - 10 Dec 2009
Externally publishedYes

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