Title :
Carrier dynamics and magnetization-induced nonlinearity in ferromagnetic GaMnAs
Author :
Yee, K.J. ; Liu, X. ; Lim, Y.S. ; Kim, J.H. ; Furdyna, J.K.
Author_Institution :
Dept. of Phys., Chungnam Nat. Univ., Daejeon
Abstract :
Ultrafast trapping and recombination processes are analyzed in GaMnAs layers with a series of Mn concentrations. Anomalous magnetization dependent coherent signal is presented regarding the ferromagnetism of the sample.
Keywords :
carrier mobility; electron traps; ferromagnetic materials; gallium compounds; hole traps; nonlinear optics; GaMnAs; carrier dynamics; ferromagnetic material; magnetization-induced nonlinearity; recombination processes; ultrafast trapping; Absorption; Delay effects; Electron traps; Magnetic field measurement; Magnetic fields; Magnetic semiconductors; Magnetization; Nonlinear optics; Physics; Probes; (190.7110) Ultrafast nonlinear optics; (320.7130) Ultrafast processes in condensed matter, including semiconductors;
Conference_Titel :
Lasers and Electro-Optics, 2006 and 2006 Quantum Electronics and Laser Science Conference. CLEO/QELS 2006. Conference on
Conference_Location :
Long Beach, CA
Print_ISBN :
978-1-55752-813-1
Electronic_ISBN :
978-1-55752-813-1
DOI :
10.1109/CLEO.2006.4629117
