Reference : Hybrid plasmonic lattices with tunable magneto-optical activity
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Physics
Hybrid plasmonic lattices with tunable magneto-optical activity
Kataja, Mikko [> >]
Pourjamal, Sara [> >]
Maccaferri, Nicolò mailto [CIC nanoGUNE]
Vavassori, Paolo [> >]
Hakala, Tommi K. [> >]
Huttunen, Mikko J. [> >]
Torma, Paivi [> >]
van Dijken, Sebastiaan [> >]
Optics Express
Optical Society of America
Yes (verified by ORBilu)
[en] We report on the optical and magneto-optical response of hybrid plasmonic lattices that consist of pure nickel and gold nanoparticles in a checkerboard arrangement. Diffractive far-field coupling between the individual emitters of the lattices results in the excitation of two orthogonal surface lattice resonance modes. Local analyses of the radiation fields indicate that both the nickel and gold nanoparticles contribute to these collective resonances and, thereby, to the magneto-optical activity of the hybrid arrays. The strong effect of noble metal nanoparticles on the magneto-optical response of hybrid lattices opens up new avenues for the realization of sensitive and tunable magneto-plasmonic nanostructures.

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