Comparison of Phenomenological Models With a Microscopic Theory of Semiconductor Optical Nonlinearities
ARIZONA UNIV TUCSON OPTICAL SCIENCES CENTER
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A microscopic theory of the third order coherent semiconductor optical response is used for the investigation of four-wave mixing signals. The theory is based on the dynamics-controlled truncation formalism and evaluated for the case of resonant excitation of heavy-hole excitons. This approach allows for a direct comparison with other theories microscopic or phenomenological. and yields a detailed understanding of important many-body effects such as excitation-induced dephasing.
- Solid State Physics