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  • Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science and Photonic Applications Systems Technologies
  • Technical Digest (CD) (Optica Publishing Group, 2005),
  • paper QFB4

Ultrafast Demagnetization in Ferromagnetic InMnAs

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Abstract

We have studied demagnetization processes in ferromagnetic InMnAs induced by femtosecond mid-infrared laser pulses. At high pump fluences, complete magnetization quenching was observed within a few picoseconds, implying an ultrafast ferro-to paramagnetic phase transition.

© 2005 Optical Society of America

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