Title :
Observation of coherent magnons in an antiferromagnet nickel oxide
Author :
Kohmoto, T. ; Jinn, H. ; Wakabayashi, S. ; Yamauchi, T. ; Moriyasu, T.
Author_Institution :
Grad. Sch. of Sci., Kobe Univ., Kobe, Japan
Abstract :
Optically induced magnetization, whose relaxation time is of the order of a hundred picoseconds, and coherent oscillations of magnons in terahertz region were observed in an antiferromagnet NiO by polarization spectroscopy with the pump-probe technique.
Keywords :
Antiferromagnetic materials; Magnetization; Nickel; Optical polarization; Optical pulses; Optical pumping; Optical scattering; Probes; Pulse amplifiers; Ultrafast optics;
Conference_Titel :
Lasers and Electro-Optics (CLEO) and Quantum Electronics and Laser Science Conference (QELS), 2010 Conference on
Conference_Location :
San Jose, CA, USA
Print_ISBN :
978-1-55752-890-2
Electronic_ISBN :
978-1-55752-890-2