Open AccessMagneto-optical properties of one-dimensional orderly nanocorrugation made from magnetic quadrilayer films
Author(s) -
Shaoyin Zhang,
Wenle Xia,
Daoyong Li,
Jinlong Gao,
Zhenghua Tang,
Shujie Tang,
Youwei Du
Publication year - 2015
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.23.017531
Subject(s) - kerr effect , materials science , surface plasmon , optics , magneto optic kerr effect , surface plasmon resonance , plasmon , surface plasmon polariton , rotation (mathematics) , condensed matter physics , optoelectronics , physics , nanotechnology , nanoparticle , geometry , mathematics , quantum mechanics , nonlinear system
Magneto-optical (MO) Kerr effect and optical reflectance are investigated in the visible light region for one-dimensional orderly nanocorrugation of magnetic quadrilayer films. We find that the MO enhancement originates from the combined action between cavity effect and surface plasmon resonance. The coupling between surface plasmon polaritions and localized surface plasmons cannot only enhance the magnitude of Kerr angle, but also alter the sign of Kerr rotation. In addition, the MO properties on the nanocomposite films can be tuned by the thickness of the intermediate HfO2 layer due to the cavity effect in multilayer.