Zobrazeno 1 - 10
of 62
pro vyhledávání: '"Lannebère, Sylvain"'
Autor:
Lannebere, Sylvain
Ce travail de thèse a été consacré à l'étude théorique et numérique de métamatériaux pour la gamme submillimétrique (domaine térahertz), formés de sphères diélectriques présentant des résonances dipolaires de Mie électrique et magn
Externí odkaz:
http://www.theses.fr/2011BOR14389/document
Publikováno v:
Comptes Rendus. Physique, Vol 21, Iss 4-5, Pp 367-388 (2020)
Here, we present an overview of a first principles homogenization theory of periodic metamaterials. It is shown that in a rather general context it is possible to formally introduce effective parameters that describe the time evolution of macroscopic
Externí odkaz:
https://doaj.org/article/e23dc5588b0449c39c88c84023c2951b
Here, we present an exploratory study of the potential applications of electrically biased materials that possess a nonreciprocal and non-Hermitian electromagnetic response analogous to the electronic response of field-effect transistors. The most di
Externí odkaz:
http://arxiv.org/abs/2405.15606
Autor:
Morgado, Tiago A., Rappoport, Tatiana G., Tsirkin, Stepan S., Lannebère, Sylvain, Souza, Ivo, Silveirinha, Mário G.
Here, we present an in-depth theoretical analysis of the linear electrooptic effect in low-symmetry three-dimensional (3D) conductive materials with large Berry curvature dipoles. Our study identifies two distinct kinetic contributions to the linear
Externí odkaz:
http://arxiv.org/abs/2401.13764
Motivated by our recent findings in [Phys. Rev. Lett. 128, 013902, 2022], which introduces a new class of electromagnetic bulk materials whose response is similar to conventional semiconductor transistors, here we propose a one-dimensional (1D) versi
Externí odkaz:
http://arxiv.org/abs/2402.03320
Autor:
Morgado, Tiago A., João, Guilherme L., Pereira, Ricardo A. M., Fernandes, David E., Lannebère, Sylvain
We experimentally verify that a magnetic uniaxial wire medium lens consisting of a racemic array of helical-shaped metallic wires may enable channeling the normal component of the magnetic field of near-field sources with resolution well below the di
Externí odkaz:
http://arxiv.org/abs/2306.09208
Semiconductor transistors are essential elements of electronic circuits as they enable, for example, the isolation or amplification of voltage signals. While conventional transistors are point-type (lumped-element) devices, it may be highly interesti
Externí odkaz:
http://arxiv.org/abs/2206.04023
Here, inspired by the operation of conventional semiconductor transistors, we introduce a novel class of bulk materials with nonreciprocal and non-Hermitian electromagnetic response. Our analysis shows that material nonlinearities combined with a sta
Externí odkaz:
http://arxiv.org/abs/2201.02118
Autor:
Fernandes, David E., Pereira, Ricardo A. M., Lannebère, Sylvain, Morgado, Tiago A., Silveirinha, Mário G.
In this article, it is experimentally verified that nonreciprocal photonic systems with a continuous translation symmetry may have an ill-defined topology. The topological classification of such systems is only feasible when the material response is
Externí odkaz:
http://arxiv.org/abs/2112.13658
In this paper we propose a new paradigm to create superlenses inspired by n-p-n junctions of graphene. We show that by adjoining a n-type region and a p-type region with a crystal dislocation, it is possible to mimic the interaction of complementary
Externí odkaz:
http://arxiv.org/abs/2111.10814