Mimicking electromagnetically induced transparency in the magneto-optical activity of magnetoplasmonic nanoresonators

• DOI: 10.1364/oe.21.027356
• Publication Date: 2013-11-15T19:11:56Z
• Authors: G. Armelles; A. Cebollada; A. García-Martín; M. U. González; F. García; D. Meneses-Rodríguez; N. de Sousa; L. S. Froufe-Pérez
• Keywords: Nanopartículas metálicas; Magnetoplasmónica; Surface plasmons; 02 engineering and technology; Plasmones de superficie; Sistemas magneto-ópticos; Metallic nanoparticles; Plasmónica; Nanophotonics; Plasmonics; Nanofotónica; Magneto-optical systems; 0210 nano-technology; Magnetoplasmonics

We show that the interaction between a plasmonic and a magnetoplasmonic metallic nanodisk leads to the appearance of magneto-optical activity in the purely plasmonic disk induced by the magnetoplasmonic one. Moreover, at specific wavelengths the interaction cancels the net electromagnetic field at the magnetoplasmonic component, strongly reducing the magneto-optical activity of the whole system. The MO activity has a characteristic Fano spectral shape, and the resulting MO inhibition constitutes the magneto-optical counterpart of the electromagnetic induced transparency.