Title :
Magnetization-induced terahertz emission from GaMnAs
Author :
Héroux, J.B. ; Ino, Y. ; Hashimoto, Y. ; Katsumoto, S. ; Kuwata-Gonokami, M.
Author_Institution :
Dept. of Appl. Phys., Univ. of Tokyo, Tokyo
Abstract :
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.
Keywords :
ferromagnetic materials; gallium compounds; magnetisation; optical pulse shaping; terahertz waves; GaMnAs; electron volt energy 3.1 eV; ferromagnetic GaMnAs; laser pulses; magnetization induced terahertz emission; normal incidence; time 130 fs; Laser excitation; Magnetic fields; Optical pulses; Physics; SQUIDs; Saturation magnetization; Semiconductor lasers; Space vector pulse width modulation; Superconducting magnets; Temperature; 160.3820; 230.3810;
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.2006.4629116
