Title :
Optically injected AC spin currents based on excitonic quantum interference in semiconductors
Author :
Rumyantsev, I. ; Sipe, J.E.
Author_Institution :
Dept. of Phys., Toronto Univ., Ont., Canada
Abstract :
We show theoretically how spin-polarized and pure spin AC currents can be optically injected in semiconductors via quantum interference between excitonic 1s and 2p states. The electrical current may be observed by its THz radiation.
Keywords :
excitons; quantum interference phenomena; semiconductors; spin polarised transport; submillimetre waves; THz radiation; excitonic quantum interference; optically injected AC spin-polarized currents; semiconductors; Electron optics; Excitons; Interference; Nonlinear optics; Optical beams; Optical pulses; Physics; Quantum mechanics; Quantum well devices; Ultrafast optics;
Conference_Titel :
Quantum Electronics and Laser Science Conference, 2005. QELS '05
Print_ISBN :
1-55752-796-2
DOI :
10.1109/QELS.2005.1548864
