(Downloads - 0)
For more info about our services contact : help@bestpfe.com
Table of contents
Introduction
Bibliography
1 Presentation of Quantum Dots
1.1 History and Motivation
1.2 Fabrication
1.3 Characteristics of Samples
1.4 Electronic States
1.4.1 Electronic Structure of an InAs/GaAs System
1.4.2 Calculation of Energy Levels
1.5 Investigation of Energy Levels
1.5.1 FIR Magnetospectroscopy: Intraband Transitions
1.5.2 Magneto-Photoluminescence: Interband Transitions
1.5.3 Coupling to Light
1.5.4 Coupling to a Constant Magnetic Field
1.6 Conclusion
Bibliography
2 Electronic Polarons
2.1 Calculation of Polaron States
2.1.1 The Fr¨ohlich Hamiltonian
2.1.2 Strong or Weak Coupling
2.1.3 The Effective Potential
2.1.4 A Simple Example: one discrete state coupled to one continuum state
2.2 Evidence of Electronic Polarons
2.2.1 High Magnetic Fields Experiments
2.2.2 Study of Electronic Polarons in Polarization
2.3 Conclusion
Bibliography
3 Hole-LO Phonon Interaction
3.1 Experimental Results
3.1.1 Study at 0 T
3.1.2 Be Impurities
3.1.3 Magnetotransmission Spectra
3.2 Hole Polaron Calculation
3.3 Comparison Theory/Experiment
3.3.1 Comparison of Magnetic Dispersion Curves in Polarization .
3.3.2 Oscillator Strength
3.3.3 Comparison of Magnetic Dispersion Curves in High Fields
3.4 Conclusion
Bibliography
4 Exciton-LO Phonon Interaction: PLE Experiments
4.1 Experimental Results
4.1.1 PLE Spectroscopy
4.1.2 Study as a Function of Detection Energy
4.1.3 Study as a Function of Magnetic Field
4.2 Calculation of Excitonic Polarons
4.2.1 Fr¨ohlich Interaction
4.2.2 Coulomb Interaction
4.2.3 Calculation of Polaron States
4.3 Comparison Theory/Experiment
4.3.1 Comparison of Magnetic Dispersion Curves
4.3.2 Oscillator Strength
4.4 Conclusion
5 Exciton-LO Phonon Interaction: RPL Experiments
5.1 RPL Spectroscopy
5.2 Experimental Results
5.2.1 Magneto-RPL Measurements
5.2.2 Study as a Function of Excitation Energy
5.3 Comparison with Polaron Model
5.3.1 Magnetic Field Dispersion Comparison
5.3.2 Oscillator Strength
5.3.3 High Energy Peak
5.4 Conclusion
Bibliography
Conclusion
Appendices
A Atomic Wavefunctions
Bibliography
