Two-Photon Physics with Biexcitons in single Quantum Dots / von Björn Jonas. Paderborn, 2022
Inhalt
- Introduction
- Fundamentals
- Quantum dots - A general introduction
- Spectroscopic properties of quantum dots
- Rabi oscillations
- Dressed states
- Quantum confined Stark effect
- Single photon emission
- Polarized light
- Experimental setup and methods
- Overview of the setup
- Excitation Sources
- Low Temperature Microscope
- Optical Setup on the microscope head
- Spectrometer
- Photoluminescence Measurement
- Photocurrent Measurement
- Correlation Setup
- Signal collection enhancement with solid immersion lenses
- Theoretical description of solid immersion lenses
- Layer sequence of the sample
- Design of the pin-diodes
- Wafermapping
- Fabrication of the diodes
- Preparation for measurements
- Electrical propterties of the large diodes
- Optical characterization of SILs
- General properties of the investigated quantum dots
- Two-photon excitation of the biexciton state
- Resonant two-photon absorption
- Phonon-assisted two-photon excitation
- Dressed states
- Origin of the trion emission
- Two-photon Rabi rotations
- Conclusion
- Nonlinear down-conversion in a single quantum dot
- Experimental demonstration
- Analysis of the anti-crossing
- Powerdependence
- Single-photon emission
- Polarization control
- Single-laser down-conversion
- Conclusion
- Summary
- Appendix
- List of Figures
- List of Tables