Microscopic Analysis of the Nonlinear Optical Properties of Semiconductor Quantum Well Structures: Excitonic Anomalous Currents and Many-Body Correlations [...] / Cong Thanh Ngo ; Erstgutachter: Prof. Dr. Torsten Meier, Zweitgutachter: Dr. Xuekai Ma. Paderborn, 2025
Inhalt
- Zusammenfassung
- Summary
- List of Abbreviations
- List of Scientific Contributions
- Introduction
- Theoretical Basics
- General Numerical Approach for Solving the Semiconductor Bloch Equations in the Length Gauge
- The Parallel Transport Gauge
- The Twisted Parallel Transport Gauge
- The Gauging Procedure in Polar Coordinates
- Photocurrents
- Conclusions
- Excitonic Anomalous Currents of Semiconductor Quantum Wells
- Experimental Setup to Detect Anomalous Currents
- Theoretical Model
- Band Structure of GaAs Quantum Wells and their Berry Curvatures
- Dynamics of the Berry Curvature
- Dynamics of the Anomalous Currents
- Dynamics of the Normal Currents
- Conclusions
- Analysis of Many-Body Coulomb Correlations of Charge-Transfer Excitons
- Optical-Pump Optical-Probe Experiments on Type-I and Type-II Quantum Well Structures
- Theoretical Approach
- Numerical Results
- Conclusions
- Conclusions and Outlook
- Appendix
- Block Matrices of the Extended Kane Model
- Model Parameters for the Extended Kane Model
- Rotation of the Coordinate System
- Singlet and Doublet Terms in the Equations of Motion for Many-Body Correlations
- Derivation of Anomalous Currents using the Semiconductor Bloch Equations within the First-Order Adiabatic Perturbation
- Optical-Pump Optical-Probe Equations of Motion in the Coherent (3) Limit
- Bibliography