Plasmonic planar antenna for wideband and efficient linear polarization conversion

Quentin Lévesque; Mathilde Makhsiyan; Patrick Bouchon; Fabrice Pardo; Julien Jaeck; Nathalie Bardou; Christophe Dupuis; Riad Haïdar; Jean-Luc Pelouard

doi:10.1117/12.2052479

2 May 2014 Plasmonic planar antenna for wideband and efficient linear polarization conversion

Quentin Lévesque, Mathilde Makhsiyan, Patrick Bouchon, Fabrice Pardo, Julien Jaeck, Nathalie Bardou, Christophe Dupuis, Riad Haïdar, Jean-Luc Pelouard

Author Affiliations +

Proceedings Volume 9126, Nanophotonics V; 91263A (2014) https://doi.org/10.1117/12.2052479
Event: SPIE Photonics Europe, 2014, Brussels, Belgium

Abstract

The design of metasurfaces able to efficiently control the polarization state of an electromagnetic wave is of importance for various applications. We demonstrate both theoretically and experimentally that plasmonic planar L-shaped antennas can induce a 90◦-rotation of the linear polarization of light with a nearly total efficiency in the infrared (3-5 µm). The nanoantenna geometry is engineered so that the polarization conversion occurs over a 1 μm-wide spectral band ([3.25-4.25] µm ) with a mean polarization conversion efficiency of 95 %. In order to validate a theoretical model describing the antenna behaviour, we investigate the polarization conversion effect as function of the incident and azimuthal angles.

Citation Download Citation

Quentin Lévesque, Mathilde Makhsiyan, Patrick Bouchon, Fabrice Pardo, Julien Jaeck, Nathalie Bardou, Christophe Dupuis, Riad Haïdar, and Jean-Luc Pelouard "Plasmonic planar antenna for wideband and efficient linear polarization conversion", Proc. SPIE 9126, Nanophotonics V, 91263A (2 May 2014); https://doi.org/10.1117/12.2052479

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