Title :
Terahertz radiation from spin coherence optically induced in diluted magnetic semiconductors
Author :
Rungsawang, R. ; Perez, F. ; Oustinov, D. ; Madéo, J. ; Gomez, J. ; Jukam, N. ; Maysonnave, J. ; Cavalié, P. ; Wojtowicz, T. ; Dhillon, S.S. ; Tignon, J.
Author_Institution :
Lab. Pierre Aigrain, Univ. Paris P. et M. Curie, Paris, France
Abstract :
The transient terahertz radiation emitted by a spin coherence optically generated in CdMnTe two-dimensional electron gases is directly measured in the time domain using electro-optic sampling. The spin radiation decays in a few ps at high magnetic fields.
Keywords :
II-VI semiconductors; cadmium compounds; manganese compounds; semimagnetic semiconductors; terahertz wave spectra; two-dimensional electron gas; wide band gap semiconductors; CdMnTe; CdMnTe 2D electron gases; diluted magnetic semiconductors; electro-optic sampling; magnetic fields; spin coherence; spin radiation; time domain; transient terahertz radiation; Electron optics; Ions; Magnetic fields; Magnetic semiconductors; Optical pulses; Stimulated emission; Ultrafast optics;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2011 Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-4577-1223-4
