| Reference : Anisotropic Nanoantenna-Based Magnetoplasmonic Crystals for Highly Enhanced and Tunab... |
| Scientific journals : Article | |||
| Physical, chemical, mathematical & earth Sciences : Physics | |||
| http://hdl.handle.net/10993/38878 | |||
| Anisotropic Nanoantenna-Based Magnetoplasmonic Crystals for Highly Enhanced and Tunable Magneto-Optical Activity | |
| English | |
Maccaferri, Nicolò  [CIC nanoGUNE] | |
| Bergamini, Luca [> >] | |
| Pancaldi, Matteo [> >] | |
| Schmidt, Mikolaj K. [> >] | |
| Kataja, Mikko [> >] | |
| Dijken, Sebastiaan Van [> >] | |
| Zabala, Nerea [> >] | |
| Aizpurua, Javier [> >] | |
| Vavassori, Paolo [> >] | |
| 2016 | |
| Nano Letters | |
| American Chemical Society | |
| 16 | |
| 4 | |
| 2533-2542 | |
| Yes (verified by ORBilu) | |
| 1530-6984 | |
| 1530-6992 | |
| Washington | |
| DC | |
| [en] Magneto-optical Kerr effect ; lattice surface modes ; magnetoplasmonics ; plasmonic anisotropy | |
| [en] We present a novel concept of a magnetically tunable plasmonic crystal based on the excitation of Fano lattice surface modes in periodic arrays of magnetic and optically anisotropic nanoantennas. We show how coherent diffractive far-field coupling between elliptical nickel nanoantennas is governed by the two in-plane, orthogonal and spectrally detuned plasmonic responses of the individual building block, one directly induced by the incident radiation and the other induced by the application of an external magnetic field. The consequent excitation of magnetic field-induced Fano lattice surface modes leads to highly tunable and amplified magneto-optical effects as compared to a continuous film or metasurfaces made of disordered noninteracting magnetoplasmonic anisotropic nanoantennas. The concepts presented here can be exploited to design novel magnetoplasmonic sensors based on coupled localized plasmonic resonances, and nanoscale metamaterials for precise control and magnetically driven tunability of light polarization states. | |
| http://hdl.handle.net/10993/38878 | |
| 10.1021/acs.nanolett.6b00084 |
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