Negative index and mode coupling in all-dielectric metamaterials at terahertz frequencies

Simon Marcellin ,É Akmansoy

doi:10.1109/metamaterials.2015.7342520

Negative index and mode coupling in all-dielectric metamaterials at terahertz frequencies

Simon Marcellin , É Akmansoy

Open Access

https://doi.org/10.1109/metamaterials.2015.7342520

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Publication Date: Sep 1, 2015
Citations: 7	License type: cc-by

Affiliation: University of Paris-Sud

#Negative Index #All-dielectric Metamaterial + Show 8 more

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Abstract

We report on the role of the coupling of the modes of Mie resonances in an all-dielectric metamaterial so as to achieve negative index at terahertz frequencies. We studied this role according to the lattice spacing and according to the frequency overlapping of the modes of resonance. We show that negative effective index requires sufficiently high mode coupling.

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