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Al-Hmoud, Mohannad: Quantum dot emitters in planar photonic crystal nanocavities. 2013
Inhalt
Zusammenfassung
Abstract
Contents
1 Introduction
2 Semiconductor Quantum Dots: An Overview
2.1 Introduction
2.2 Growth of Self-Assembled Quantum Dots
2.3 Quantum Confinement
2.4 Energy States in Self-Assembled Quantum Dots
2.5 Few Particle States in Self-assembled Quantum Dots
2.6 Electric Field Effects: Quantum Confined Stark Effect
2.7 Quantum Dot Spectroscopy
2.7.1 Photoluminescence Spectroscopy
2.7.2 Photocurrent Spectroscopy
2.8 Quantum Dot as Two Level System
2.9 Quantum Dots in Optical Cavities
2.9.1 Weak Coupling Regime
2.9.2 Strong Coupling Regime
2.10 Types of Cavities
3 Basics of Photonic Crystlas
3.1 Light Propagation in Photonic Crystals
3.2 One-Dimensional Photonic Crystals
3.3 Two-Dimensional Photonic Crystals
3.4 Photonic Crystal Slabs
3.5 Nanocavities in Photonic Crystal Slabs
3.6 The Finite-Difference Time-Domain Method
4 Fabrication Basics of Two-Dimensional Photonic Crystals
4.1 Growth of InGaAs Quantum Dot Samples
4.2 Fabrication of Photonic Crystal Nanocavities
4.2.1 Preparation of SiO2 Hard Mask
4.2.2 Electron Beam Lithography
4.2.3 Dry Etching
4.2.4 Selective Wet Etching
5 Experimental setup
5.1 Micro-Photoluminescence Setup
5.2 Photoluminescence Excitation Technique
5.3 Sample Temperature Control
6 Characterization of H2 Photonic Crystal Nanocavities
6.1 Cavity design
6.2 Improvement of the Quality Factor
6.3 Experimental Results and Discussion
7 p-Shell Rabi Oscillations of a Quantum Dot in a Cavity
7.1 Sample Preparation
7.2 Photoluminescence Measurements
7.3 Photoluminescence Excitation Measurements
7.4 p-Shell Saturation
7.5 Rabi Oscillations
8 Conclusion and Outlook
Appendix A Cavities With Different Geometries
A.1 H1
A.2 L3
A.3 L5
Bibliography
Acknowledgements
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