Microscopic investigation of light induced harmonic generation : ultrafast carrier dynamics and excitonic effects / Ruixin Zuo ; Erstgutachter: Prof. Dr. Torsten Meier, Zweitgutachter: Prof. Dr. Jan Sperling. Paderborn, 2025
Content
- Zusammenfassung
- Summary
- List of Abbreviations
- List of scientific contributions
- Introduction
- Microscopic theoretical modeling of the light-matter interaction in semiconductors
- Many-body Hamiltonian
- Semiconductor Bloch equations
- Gauge smoothing of matrix elements
- Solid-state high harmonic generation
- Excitonic effects in two-dimensional transition metal dichalcogenides
- Influence of collisions at neighboring atoms on solid-state high harmonic generation
- The two-band semiconductor Bloch equations
- The electron-hole recollision picture
- Anisotropy of high harmonic generation from MgO
- Scattering upon collision with atoms
- Multiple scatterings and delocalization
- Ellipticity dependence of high harmonic generation
- Conclusions
- Characterizing the tunneling dynamics in solid-state high harmonic generation
- Resolving tunneling processes by the semiclassical trajectory model
- Comparison of the classical and quantum trajectory analyses
- Probing the tunneling dynamics by high harmonic interferometry
- Linking the tunneling characteristics to high harmonic emission
- Conclusions
- Intensity-dependence of excitonic third harmonic generation in bilayer MoS2
- Inter- and intraband excitations in the excitonic optical response
- Exciton landscape of bilayer MoS2
- Excitonic third harmonic generation
- Conclusions
- Conclusions
- Bibliography