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Electromagnetically Induced Transparency in Symmetric Planar Metamaterial at THz Wavelengths

By Abdelwaheb Ourir, Bruno Gallas, Loic Becerra, Julien De Rosny and Pierre-Richard Dahoo

Abstract

International audienceWe report the experimental observation and the evidence of the analogue of electromagnetically-induced transparency (EIT) in a symmetric planar metamaterial. This effect has been obtained in the THz range thanks to a destructive Fano-interference between the two first modes of an array of multi-gap split ring resonators deposited on a silicon substrate. This structure is a planar thin film material with four-fold symmetry. Thanks to this property, a polarization-independent transmission has been achieved. The proposed metamaterial is well adapted to variety of slow-light applications in the infrared and optical range

Topics: metamaterial, slow light, induced transparency, infrared, [ SPI.MAT ] Engineering Sciences [physics]/Materials
Publisher: MDPI
Year: 2015
DOI identifier: 10.3390/photonics2010308
OAI identifier: oai:HAL:hal-01126619v1
Provided by: Hal-Diderot

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