Dresden 2014 – wissenschaftliches Programm

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MA: Fachverband Magnetismus

MA 55: Poster II

MA 55.77: Poster

Freitag, 4. April 2014, 10:30–13:30, P2

Enhancement of Faraday Rotation in BiIG optical resonators — •Felix Spitzer¹, Sören Kreinberg¹, Lars E. Kreilkamp¹, Ilya Akimov^1,2, Vladimir I. Belotelov^2,3,4, Mohammed Nur-E-Alam⁵, Mikhail Vasiliev⁵, Kamal Alameh⁵, and Manfred Bayer¹ — ¹Experimentelle Physik II, TU Dortmund, D-44221 Dortmund, Germany — ²Ioffe Physical-Technical Institute, Russia Academy of Sciences, 119991 Moscow, Russia — ³Russian Quantum Center, 143025 Moscow, Russia — ⁴Prokhorov General Physics Institute, Russian Academy of Sciences, 119991 Moscow, Russia — ⁵Electron Science Research Institute, Edith Cowan University, 6027 Joondalup, WA, Australia

We study the spectral dependence of Faraday Rotation in µm-thin bismuth iron garnet (BiIG) films under illumination by a white light source.

By applying a thin layer of Ag the Faraday Rotation can be enhanced due to the longer optical path length within the sample. With a silver layer on both sides, the sample acts as an optical resonator thus leading to resonant behavior of the Faraday Rotation and its enhancement by up to one order of magnitude depending on the parameters of the structure