We have demonstrated remarkable enhancement of longitudinal and transverse magneto-optical Kerr effects in magnetoplasmonic crystals based on thin nanostructured films of nickel and iron due to resonant excitation of magnetoplasmonic waves in Faraday and Voight configurations . Manifestations of ultrafast time-dependent transverse magneto-optical Kerr effect are experimentally demonstrated in femtosecond laser pulses reflected from a one-dimensional magnetoplasmonic crystal. We show that exciting surface plasmon-polaritons with magnetization-dependent dispersion law allows one to control the shape of the refected pulse.
A. V. Chetvertukhin, M. R Shcherbakov, P. P Vabishchevich, A. Yu. Frolov, T. V. Dolgova, M. Inoue, and A. A. Fedyanin, "Femtosecond control of magneto-optical effects in magnetoplasmonic crystals," Proc. SPIE 9547, Plasmonics: Metallic Nanostructures and Their Optical Properties XIII, 95471A (Presented at SPIE Nanoscience + Engineering: August 12, 2015; Published: 28 August 2015); https://doi.org/10.1117/12.2192502.
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