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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
Photoluminescence
Photocurrent spectroscopy
Conclusion
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
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