Abstract
During the last years, the temporal coherence of semiconductors following their excitation with ultrashort light pulses has been studied extensively. However, more recently it became possible to investigate both temporal and spatial correlations. The combined spatiotemporal resolution allows not only the study of basic material excitations but also a self-consistent analysis of the nonlinear dynamics of the incident electromagnetic fields that serve as the detector for microscopic processes. The corresponding theoretical approach has to describe light propagation in translational invariant bulk systems and in microstructured samples, such as multiple quantum wells as well as coherent electron propagation after localized excitation with focused pulses or near-field microscopes.
© 1996 Optical Society of America
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