Title :
Coherent dynamics of optically-inactive excitons in semiconductor quantum wells
Author :
Yang, Z.S. ; Kwong, N.H. ; Takayama, R. ; Binder, R.
Author_Institution :
Opt. Sci. Center, Arizona Univ., Tucson, AZ, USA
Abstract :
Ultrafast coherent dynamics of optically-inactive excitons in photo-excited quantum wells are investigated. The exciton momentum distribution follows an interesting moving pattern driven by the Coulomb coupling between the interband polarization and excitons with non-zero momenta.
Keywords :
carrier mobility; excited states; excitons; high-speed optical techniques; nonlinear optical susceptibility; semiconductor quantum wells; Coulomb coupling; exciton momentum distribution; interband polarization; optically-inactive excitons; photo-excited quantum wells; semiconductor quantum wells; ultrafast coherent dynamics; Equations; Excitons; Fourier transforms; Gallium arsenide; Nonlinear optics; Optical polarization; Optical pulses; Quantum mechanics; Resonance; 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.2003.238216
