Dresden 2014 – scientific programme
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MA: Fachverband Magnetismus
MA 55: Poster II
MA 55.77: Poster
Friday, April 4, 2014, 10:30–13:30, P2
Enhancement of Faraday Rotation in BiIG optical resonators — •Felix Spitzer1, Sören Kreinberg1, Lars E. Kreilkamp1, Ilya Akimov1,2, Vladimir I. Belotelov2,3,4, 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