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Conferences > QELS > 2003 > QThB > QThB6
  • Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference
  • Technical Digest (Optica Publishing Group, 2003),
  • paper QThB6

Ultrafast photoinduced softening in a ferromagnetic semiconductor

J. Wang, G. A. Khodaparast, J. Kono, T. Slupinski, A. Owia, and H. Munekata

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Abstract

Two-color time-resolved magneto-optical Kerr spectroscopy is used to manipulate and detect the dynamics of carrier-induced ferromagnetism in III-V ferromagnetic semiconductors. Our data demonstrates that magnetic properties, e.g., the coercivity, can be tuned reversibly and nonthermally on subpicosecond time scale.

© 2003 Optical Society of America

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