Title :
Two-photon spin injection in semiconductor
Author :
Bhat, R.D.R. ; Nemec, Petr ; Kerachian, Y. ; Sipe, J.E. ; van Driel, H.M. ; Smirl, Arthur L.
Author_Institution :
Dept. of Phys., Toronto Univ., Ont.
Abstract :
We use pump-probe experiments to demonstrate that the spin polarization of electrons photogenerated in bulk GaAs by two-photon absorption of circularly polarized light is not significantly larger than by one-photon absorption, in agreement with theory
Keywords :
III-V semiconductors; gallium arsenide; light polarisation; optical pumping; spin polarised transport; two-photon processes; GaAs; circularly polarized light; one-photon absorption; photogenerated electrons; pump-probe experiments; semiconductors; two-photon absorption; two-photon spin injection; Absorption; Electrons; Gallium arsenide; Nonlinear optics; Optical polarization; Optical pulses; Optical pumping; Probes; Pulse amplifiers; Spin polarized transport;
Conference_Titel :
Quantum Electronics Conference, 2004. (IQEC). International
Conference_Location :
San Francisco, CA
Print_ISBN :
1-55752-778-4
