Title :
All-optical injection, control, and detection of ballistic spin and charge currents in group IV semiconductors
Author :
Smirl, Arthur L. ; Loren, Eric J. ; Ruzicka, Brian A. ; Werake, Lanani K. ; Zhao, Hui ; Van Driel, Henry M.
Author_Institution :
Lab. for Photonics & Quantum Electron., Univ. of Iowa, Iowa City, IA, USA
Abstract :
Ballistic charge currents are injected into Ge and Si and pure spin currents into Ge using quantum interference techniques and are spatially and temporally resolved for the first time.
Keywords :
ballistic transport; elemental semiconductors; germanium; silicon; Ge; Si; all-optical control; all-optical injection; ballistic charge currents; ballistic spin detection; group IV semiconductors; pure spin currents; quantum interference techniques; Interference; Spatial resolution; (190.5970) Semiconductor nonlinear optics; (320.7130) Ultrafast processes in condensed matter;
Conference_Titel :
Lasers and Electro-Optics, 2009 and 2009 Conference on Quantum electronics and Laser Science Conference. CLEO/QELS 2009. Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-55752-869-8
Electronic_ISBN :
978-1-55752-869-8
