Title :
Quantum interference generation and control of ballistic charge and spin hall currents
Author :
Zhao, Hui ; Loren, Eric J. ; Van Driel, Henry M. ; Smirl, Arthur L.
Author_Institution :
Lab. for Photonics&Quantum Electron., Univ. of Iowa, Iowa City, IA
Abstract :
Ballistic pure spin currents generated via quantum interference in the absorption of femtosecond pulses are demonstrated to produce transverse ballistic Hall pure charge currents and vice versa via spin-dependent asymmetric scattering processes.
Keywords :
III-V semiconductors; ballistic transport; gallium arsenide; high-speed optical techniques; infrared spectra; quantum interference phenomena; spin Hall effect; spin polarised transport; GaAs; ballistic pure spin current generation; femtosecond pulse absorption; quantum interference generation; spin Hall currents; spin-dependent asymmetric scattering processes; transverse ballistic Hall pure charge currents; Absorption; Hall effect; Interference; Nonlinear optics; Optical control; Optical polarization; Optical pulse generation; Optical scattering; Particle scattering; Ultrafast optics; (190.5970) Semiconductor nonlinear optics; (320.7130) Ultrafast processes in condensed matter;
Conference_Titel :
Lasers and Electro-Optics, 2006 and 2006 Quantum Electronics and Laser Science Conference. CLEO/QELS 2006. Conference on
Conference_Location :
Long Beach, CA
Print_ISBN :
978-1-55752-813-1
Electronic_ISBN :
978-1-55752-813-1
DOI :
10.1109/CLEO.2006.4628928
