University
of Toronto
Physics Department
Condensed Matter and Quantum Optics
MONDAY SEMINAR
University
of Toronto
| Speaker : | PROF. ROLF BINDER
University of Arizona |
| Topic : | Excitonic correlations in semiconductor quantum wells |
| Time : | Monday, September 9, 2002 at 12:00 noon |
| Place : | Room MP408, Burton Tower, 60 St. George Street / 255 Huron Street |
Abstract
Semiconductor quantum wells offer unique and exciting possibilities
for the investigation of quantum correlations and quantum coherences.
Recent nonlinear optical experiments have clearly demonstrated formation
of coherent biexcitons (= two-exciton bound states) and two-exciton
continuum states. In this talk, a microscopic theoretical
approach to nonlinear semiconductor optics in the lowest-order
nonlinear regime (the so-called chi(3) regime) will be discussed.
Theory-experiment comparisons enable conclusions regarding
the microscopic origin of the observed optical nonlinearities.
Specifically, a conceptual link between ordinary scattering
theory in two dimensional systems and optical nonlinearties
of semiconductor quantum wells will be presented.
Local Host: John Sipe
(416-978-4517) 