Title :
Dynamics of the inter-Landau-level magnetoplasmon coherence in a quantum Hall system
Author :
Dani, K.M. ; Tignon, J. ; Breit, M. ; Chemla, D.S. ; Kavousanaki, E.G. ; Perakis, I.E.
Author_Institution :
Dept. of Phys., California Univ., Berkeley, CA, USA
Abstract :
We use three-pulse four-wave mixing spectroscopy to observe coherent femtosecond dynamics of collective nanoscale excitations in the quantum Hall regime. We observe interference effects of the inter Landau level magnetoplasmon coherence and study its dephasing.
Keywords :
Landau levels; multiwave mixing; plasmons; quantum Hall effect; quantum interference phenomena; quantum wells; time resolved spectra; coherent femtosecond dynamics; collective nanoscale excitations; inter-Landau-level magnetoplasmon coherence; interference effects; magnetoplasmon dephasing; quantum hall system; quantum wells; three-pulse four-wave mixing spectroscopy; Delay effects; Four-wave mixing; Frequency; Laboratories; Nonlinear optics; Optical mixing; Optical modulation; Spectroscopy; Ultrafast electronics; Ultrafast optics;
Conference_Titel :
Quantum Electronics and Laser Science Conference, 2005. QELS '05
Print_ISBN :
1-55752-796-2
DOI :
10.1109/QELS.2005.1548869
