Terahertz emission is observed from ferromagnetic GaMnAs when the samples are excited at normal incidence with 3.1 eV, 130 fs laser pulses. We demonstrate experimentally that the radiation is directly related to the sample magnetization.
© 2006 Optical Society of America
J. B. Heroux, Y. Ino, Y. Hashimoto, S. Katsumoto, and M. Kuwata-Gonokami, "Magnetization-Induced Terahertz Emission from GaMnAs," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies, Technical Digest (CD) (Optical Society of America, 2006), paper QTuH5.
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