Title :
Ultrafast magneto-photocurrents in GaAs: Separation of surface and bulk contributions
Author :
Schmidt, Christian B. ; Priyadarshi, Shekhar ; Bieler, Mark
Author_Institution :
Phys.-Tech. Bundesanstalt, Braunschweig, Germany
Abstract :
We generate ultrafast magneto-photocurrents in bulk GaAs and non-invasively separate surface and bulk contributions to the overall current. This method enables the investigation of processes such as anisotropic-distribution relaxation and the inverse Spin Hall effect.
Keywords :
Hall effect; III-V semiconductors; gallium arsenide; high-speed optical techniques; magneto-optical effects; GaAs; anisotropic-distribution relaxation; bulk gallium arsenide; inverse spin Hall effect; noninvasive surface separation; ultrafast magneto-photocurrents; Current measurement; Gallium arsenide; Hall effect; Magnetic fields; Optical polarization; Optical pulses; Optical variables measurement;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2015 Conference on
Conference_Location :
San Jose, CA
