Title :
Ultrafast magnetization control in III-Mn-V ferromagnetic semiconductors
Author :
Chovan, J. ; Kavousanaki, E.G. ; Perakis, I.E.
Abstract :
We show that a circularly polarized optical pulse can rotate the collective magnetization of a III-Mn-V ferromagnetic semiconductor during femtosecond time scales. Our theory highlights the important role of the hole-spin relaxation.
Keywords :
III-V semiconductors; ferromagnetic materials; high-speed optical techniques; magneto-optical effects; III-Mn-V ferromagnetic semiconductors; circularly polarized optical pulse; collective magnetization; femtosecond time scale; hole-spin relaxation; ultrafast magnetization control; Damping; Magnetization; Nonlinear equations; Nonlinear optics; Optical films; Optical polarization; Optical propagation; Optical pulses; Optical pumping; Ultrafast optics;
Conference_Titel :
Quantum Electronics and Laser Science Conference, 2005. QELS '05
Print_ISBN :
1-55752-796-2
DOI :
10.1109/QELS.2005.1548921
