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Magnetoplasmonic Design Rules for Active Magneto-Optics

Journal article
Authors Kristof Lodewijks
N. Maccaferri
T. Pakizeh
Randy K. Dumas
Irina Zubritskaya
Johan Åkerman
P. Vavassori
Alexandre Dmitriev
Published in Nano letters
Volume 14
Issue 12
Pages 7207-7214
ISSN 1530-6984
Publication year 2014
Published at Department of Physics (GU)
Pages 7207-7214
Language en
Keywords Photonics, magnetoplasmonics, Kerr response, magneto optics
Subject categories Physical Sciences


Light polarization rotators and nonreciprocal optical isolators are essential building blocks in photonics technology. These macroscopic passive devices are commonly based on magneto-optical Faraday and Kerr polarization rotation. Magnetoplasmonics, the combination of magnetism and plasmonics, is a promising route to bring these devices to the nanoscale. We introduce design rules for highly tunable active magnetoplasmonic elements in which we can tailor the amplitude and sign of the Kerr response over a broad spectral range.

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