Title :
Ultrafast ferromagnetic-paramagnetic phase transition in MnAs observed by second-harmonic generation
Author :
Lange, C. ; Dean, J.J. ; Burch, K.S. ; Rench, D. ; Samarth, N. ; van Driel, H.M.
Author_Institution :
Dept. of Phys., Univ. of Toronto, Toronto, ON, Canada
Abstract :
We use second harmonic generation to observe an ultrafast magnetic phase transition in MnAs near room temperature following excitation by a 300 fs optical pulse; transition times are on the order of 10 ps.
Keywords :
ferromagnetic-paramagnetic transitions; manganese compounds; optical harmonic generation; optical pulse generation; MnAs; excitation; optical pulse; second-harmonic generation; time 300 fs; ultrafast ferromagnetic-paramagnetic phase transition; Azimuthal angle; Optical amplifiers; Optical films; Optical harmonic generation; Optical pulses; Optical pumping; Ultrafast optics;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2011 Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-4577-1223-4
