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Authors: Kreilkamp, Lars E.
Belotelov, Vladimir I.
Chin, Jessie Yao
Neutzner, Stefanie
Dregely, Daniel
Wehlus, Thomas
Akimov, Ilya A.
Bayer, Manfred
Stritzker, Bernd
Giessen, Harald
Title: Waveguide-plasmon polaritons enhance transverse magneto-optical Kerr effect
Issue Date: 2013 Zeitschriftenartikel Physical review , X 3 (2013), 041019. URL
Abstract: Magneto-optical effects in ferrimagnetic or ferromagnetic materials are usually too weak for potential applications. The transverse magneto-optical Kerr effect (TMOKE) in ferromagnetic films is typically on the order of 0.1%. Here, we demonstrate experimentally the enhancement of TMOKE due to the interaction of particle plasmons in gold nanowires with a photonic waveguide consisting of magneto- optical material, where hybrid waveguide-plasmon polaritons are excited. We achieve a large TMOKE that modulates the transmitted light intensity by 1.5%, accompanied by high transparency of the system. Our concept may lead to novel devices of miniaturized photonic circuits and switches, which are controllable by an external magnetic field.
Appears in Collections:08 Fakultät Mathematik und Physik

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