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Effective material parameter retrieval for thin sheets: theory and application to graphene, thin silver films, and single-layer metamaterials
Philippe Tassin, Thomas Koschny, Costas M. Soukoulis
An important tool in the field of metamaterials is the extraction of effective material parameters from simulated or measured scattering parameters of a sample. Here we discuss a r…
Optical metamaterials with different metals
Nian-Hai Shen, Thomas Koschny, Maria Kafesaki +1
We investigate the influence of different metals on the electromagnetic response of fishnet metamaterials in the optical regime.We found, instead of using a Drude model, metals wit…
Discontinuous design of negative index metamaterials based on mode hybridization
Nian-Hai Shen, Lei Zhang, Thomas Koschny +3
An electric inductor-capacitor (ELC) resonator provides a series of electrical resonances and a pair of ELC resonators leads to the split of each resonance into two modes, i.e., ma…
Planar Metamaterial with Toroidal Moment
Yuancheng Fan, Zeyong Wei, Hongqiang Li +2
We observe toroidal response from a planar metamaterial comprised of asymmetric split ring resonators (ASRRs). It is showed that a toroidal-molecule can be constructed through rati…
Finite element simulation of microphotonic lasing system
Chris Fietz, Costas Soukoulis
We present a method for performing time domain simulations of a microphotonic system containing a four level gain medium based on the finite element method. This method includes an…
Theory of pump-probe experiments of metallic metamaterials coupled to the gain medium
Zhixiang Huang, Thomas Koschny, Costas M. Soukoulis
We establish a new approach for pump-probe simulations of metallic metamaterials coupled to the gain materials. It is of vital importance to understand the mechanism of the couplin…