title: Plasmons reveal the direction of magnetization in nickel nanostructures.
abstract: We have applied the surface-sensitive nonlinear optical technique of magnetization-induced second harmonic generation (MSHG) to plasmonic, magnetic nanostructures made of Ni. We show that surface plasmon contributions to the MSHG signal can reveal the direction of the magnetization. Both the plasmonic and the magnetic nonlinear optical responses can be tuned; our results indicate novel ways to combine nanophotonics, nanoelectronics, and nanomagnetics and suggest the possibility for large magneto-chiral effects in metamaterials.
authors.affiliation: Molecular Electronics and Photonics, INPAC, Katholieke Universiteit Leuven, Celestijnenlaan 200 D, 3001, Leuven, Belgium. v.k.valev@fys.kuleuven.be
authors.forename: Ventsislav K
authors.initials: VK
authors.lastname: Valev
authors.forename: Alejandro V
authors.initials: AV
authors.lastname: Silhanek
authors.forename: Werner
authors.initials: W
authors.lastname: Gillijns
authors.forename: Yogesh
authors.initials: Y
authors.lastname: Jeyaram
authors.forename: Hanna
authors.initials: H
authors.lastname: Paddubrouskaya
authors.forename: Alexander
authors.initials: A
authors.lastname: Volodin
authors.forename: Claudiu G
authors.initials: CG
authors.lastname: Biris
authors.forename: Nicolae C
authors.initials: NC
authors.lastname: Panoiu
authors.forename: Ben
authors.initials: B
authors.lastname: De Clercq
authors.forename: Marcel
authors.initials: M
authors.lastname: Ameloot
authors.forename: Oleg A
authors.initials: OA
authors.lastname: Aktsipetrov
authors.forename: Victor V
authors.initials: VV
authors.lastname: Moshchalkov
authors.forename: Thierry
authors.initials: T
authors.lastname: Verbiest
mesh_terms: D008280:Magnetics; D053768:Metal Nanoparticles / Q000737:chemistry*; D036103:Nanotechnology / Q000379:methods*; D009532:Nickel / Q000737:chemistry*; D055620:Optical Phenomena; D012399:Rotation
chemical_list: D009532:Nickel