Title :
Optical orientation in bulk germanium
Author :
Hautmann, C. ; Surrer, B. ; Betz, M.
Author_Institution :
Phys.-Dept. E11, Tech. Univ. Munchen, Garching, Germany
Abstract :
Ultrafast magneto-optics in bulk germanium reveals optical orientation of charge carriers via both direct and indirect optical transitions. At low temperatures, electron (hole) spins have remarkably long coherence times of ~ 1 ns (~ 100 ps).
Keywords :
elemental semiconductors; germanium; high-speed optical techniques; light coherence; magneto-optical effects; time resolved spectra; Ge; bulk germanium; charge carriers; coherence times; direct optical transition; electron spin; hole spin; indirect optical transition; optical orientation; time resolved spectra; ultrafast magneto-optics; Coherence; Electron optics; Faraday effect; Optical polarization; Optical pulses; Photonic band gap; Ultrafast optics;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2011 Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-4577-1223-4
