Title :
Coherent control of optically injected population and spin in (111)-GaAs
Author :
Smirl, A.L. ; Stevens, M.J. ; Bhat, R.D.R. ; Sipe, J.E. ; van Driel, H.M.
Author_Institution :
Lab. for Photonics & Quantum Electron., Iowa Univ., Iowa City, IA, USA
Abstract :
We demonstrate independent coherent control of population and spin in (111)-grown GaAs through quantum interference of one- and two-photon absorption of /spl sim/100 fs phase-locked pulses with various polarization combinations and crystal orientations.
Keywords :
III-V semiconductors; carrier density; electron spin; gallium arsenide; high-speed optical techniques; optical harmonic generation; optical variables control; quantum interference phenomena; two-photon processes; GaAs; coherent control; crystal orientations; one-photon absorption; optically injected population; optically injected spin; phase-locked pulses; polarization combinations; quantum interference; second harmonic generation; two-photon absorption; Absorption; Gallium arsenide; Interference; Optical control; Optical harmonic generation; Optical polarization; Optical pulses; Optical retarders; Probes; Ultrafast optics;
Conference_Titel :
Quantum Electronics and Laser Science, 2003. QELS. Postconference Digest
Conference_Location :
Baltimore, MD, USA
Print_ISBN :
1-55752-749-0
DOI :
10.1109/QELS.2003.238210
