Title :
Ultrafast coherent electron spin flip in a 2D electron gas
Author :
Phelps, Carey ; Sweeney, Timothy ; Wang, Hailin
Author_Institution :
Dept. of Phys., Univ. of Oregon, Eugene, OR, USA
Abstract :
Spin flip in a 2D electron gas is realized with a 2 ps, off-resonant laser pulse. Complete spin flip leads to spin precessions that are symmetric with respect to the arrival time of the pi-pulse.
Keywords :
high-speed optical techniques; spin echo (EPR); two-dimensional electron gas; 2D electron gas; electron spin echoes; off-resonant ultrafast laser pulse; spin precession; time 2 ps; ultrafast coherent electron spin flip; Absorption; Delay; Electron optics; Excitons; Nonlinear optics; Polarization; Probes; Resonance; Trions; Ultrafast optics; (190.5970) Semiconductor nonlinear optics including MQW; (300.6470) Spectroscopy, semiconductors;
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
