title: Optical spectroscopy of single Si nanocylinders with magnetic and electric resonances.
abstract: Resonant electromagnetic properties of nanoparticles fabricated from high-index semiconductor or dielectric materials are very promising for the realization of novel nanoantennas and metamaterials. In this paper we study optical resonances of Si nanocylinders located on a silica substrate. Multipole analysis of the experimental scattering spectra, based on the decomposed discrete dipole approximation, confirms resonant excitation of electric and magnetic dipole modes in the Si nanocylinders. Influences of light polarization and incident angle on the scattering properties of the nanocylinders are studied. It is shown that the dependence of resonant excitation of the electric and magnetic modes in the nanocylinders on incident angle and polarization of light allows controlling and manipulating the scattered light in this system. The demonstrated properties of Si nanocylinders can be used for the realization of dielectric metasurfaces with different functional optical properties.
authors.affiliation: Laser Zentrum Hannover e.V., Hollerithallee 8, D-30419 Hannover, Germany.
authors.forename: Andrey B
authors.initials: AB
authors.lastname: Evlyukhin
authors.affiliation: Department of Technology and Innovation, University of Southern Denmark, Niels Bohrs Allé 1, DK-5230 Odense M, Denmark.
authors.forename: René L
authors.initials: RL
authors.lastname: Eriksen
authors.affiliation: Laser Zentrum Hannover e.V., Hollerithallee 8, D-30419 Hannover, Germany.
authors.forename: Wei
authors.initials: W
authors.lastname: Cheng
authors.affiliation: Department of Technology and Innovation, University of Southern Denmark, Niels Bohrs Allé 1, DK-5230 Odense M, Denmark.
authors.forename: Jonas
authors.initials: J
authors.lastname: Beermann
authors.affiliation: Laser Zentrum Hannover e.V., Hollerithallee 8, D-30419 Hannover, Germany.
authors.forename: Carsten
authors.initials: C
authors.lastname: Reinhardt
authors.affiliation: Institute of Optical and Electronic Materials, Hamburg University of Technology, Eissendorfer Str. 38, D-21073 Hamburg, Germany.
authors.forename: Alexander
authors.initials: A
authors.lastname: Petrov
authors.affiliation: Institute of Optical and Electronic Materials, Hamburg University of Technology, Eissendorfer Str. 38, D-21073 Hamburg, Germany.
authors.forename: Stefan
authors.initials: S
authors.lastname: Prorok
authors.affiliation: Institute of Optical and Electronic Materials, Hamburg University of Technology, Eissendorfer Str. 38, D-21073 Hamburg, Germany.
authors.forename: Manfred
authors.initials: M
authors.lastname: Eich
authors.affiliation: Laser Zentrum Hannover e.V., Hollerithallee 8, D-30419 Hannover, Germany.
authors.forename: Boris N
authors.initials: BN
authors.lastname: Chichkov
authors.affiliation: Department of Technology and Innovation, University of Southern Denmark, Niels Bohrs Allé 1, DK-5230 Odense M, Denmark.
authors.forename: Sergey I
authors.initials: SI
authors.lastname: Bozhevolnyi