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Nonlinear optics response of semiconductor quantum wells under high magnetic fields [electronic resource].

Published
Washington, D.C. : United States. Dept. of Energy, 1993.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description
28 pages : digital, PDF file
Additional Creators
Lawrence Berkeley National Laboratory, United States. Department of Energy, and United States. Department of Energy. Office of Scientific and Technical Information
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Summary
Recent investigations on the nonlinear optical response of semiconductor quantum wells in a strong perpendicular magnetic field, H, are reviewed. After some introductory material the evolution of the linear optical properties of GaAs QW`s as a function of H is discussed; an examination is made of how the magneto-excitons (MX) extrapolate continuously between quasi-2D QW excitons (X) when H = 0, and pairs of Landau levels (LL) when H → ∞. Next, femtosecond time resolved investigations of their nonlinear optical response are presented; the evolution of MX-MX interactions with increasing H is stressed. Finally, how, as the dimensionality is reduced by application of H, the number of scattering channels is limited and relaxation of electron-hole pairs is affected. How nonlinear optical spectroscopy can be exploited to access the relaxation of angular momentum within magneto-excitons is also discussed.
Report Numbers
E 1.99:lbl--34434
E 1.99: conf-9307156--1
conf-9307156--1
lbl--34434
Subject(s)
Other Subject(s)
Note
Published through SciTech Connect.
07/01/1993.
"lbl--34434"
" conf-9307156--1"
"DE94003244"
International School of Physics Enrico Fermi conference,Varenna (Italy),20-30 Jul 1993.
Chemla, D.S.
Funding Information
AC03-76SF00098
View MARC record | catkey: 14063197