| Preface | p. v |
| Fundamentals of Zero-Dimensional Nanostructures | p. 1 |
| Introduction | p. 1 |
| Structural Information on Quantum Dots | p. 3 |
| Single-Particle Electronic States in Quantum Dots | p. 7 |
| Eigenstates in the absence of external perturbations | p. 7 |
| Effect of "external" fields | p. 12 |
| Electric field effects | p. 12 |
| Magnetic field effects | p. 14 |
| Dot-dot interaction in stacked dots; quantum dot molecules | p. 16 |
| Optical Properties | p. 17 |
| The idealized quantum dot: a two-level atom, Populations and coherence | p. 17 |
| Optical properties of dot ensembles. Broadening and selection rules | p. 19 |
| Single dot spectroscopy: the failure of the simple ideas | p. 21 |
| Phonons and Carrier Coupling to the Phonons in Quantum Dots | p. 26 |
| Carrier-Carrier Interaction in Quantum Dots | p. 32 |
| Electron-hole interaction in quantum dots | p. 33 |
| Excitonic complexes and optical properties of highly excited quantum dots: new phenomena and a new approach | p. 36 |
| Auger scattering in quantum dots | p. 39 |
| Growth and Characterization of Self-Assembled Semiconductor Macroatoms | p. 51 |
| Introduction | p. 51 |
| Semiconductor quantum dots | p. 53 |
| Fabrication and Structural Analysis of InGaAs/GaAs Quantum Dots | p. 54 |
| Nanotechnological Strategies for the Fabrication of Single-Dot Structures | p. 61 |
| Modeling of the Carrier Wavefunctions | p. 64 |
| Photoluminescence Experiments | p. 73 |
| Single-Dot Spectroscopy | p. 78 |
| Wavefunction spectroscopy | p. 78 |
| Optical spectroscopy | p. 85 |
| Conclusions | p. 92 |
| Ultrafast Coherent Spectroscopy of Single Semiconductor Quantum Dots | p. 101 |
| Introduction | p. 101 |
| Semiconductor Quantum Dots | p. 104 |
| Interface quantum dots | p. 104 |
| Self-assembled quantum dots | p. 107 |
| Experimental Techniques | p. 114 |
| Coherent spectroscopy on interface quantum dots | p. 115 |
| Coherent spectroscopy on self-assembled quantum dots | p. 119 |
| Results | p. 123 |
| Coherent control in single interface quantum dots | p. 123 |
| Ultrafast optical nonlinearities of single interface quantum dots | p. 123 |
| Optical Stark effect and Rabi oscillations in a quantum dot: ultrafast control of single exciton polarizations | p. 128 |
| Coherent control in single self-assembled quantum dots | p. 138 |
| Outlook | p. 143 |
| Few-Particle Effects in Semiconductor Macroatoms/Molecules | p. 151 |
| Introduction | p. 151 |
| Excitons | p. 152 |
| Semiconductors of higher dimension | p. 152 |
| Semiconductor quantum dots | p. 153 |
| Weak confinement regime | p. 153 |
| Strong confinement regime | p. 154 |
| Spin structure | p. 155 |
| Biexcitons | p. 157 |
| Weak confinement regime | p. 157 |
| Strong confinement regime | p. 158 |
| Few-Particle States | p. 159 |
| Multi excitons | p. 160 |
| Multi-charged excitons | p. 161 |
| Configuration interactions | p. 161 |
| Optical Spectroscopy | p. 162 |
| Excitons and biexcitons | p. 163 |
| Weak confinement regime | p. 163 |
| Strong confinement regime | p. 164 |
| Multi excitons | p. 165 |
| Multi-charged excitons | p. 167 |
| Inter-dot Coupling: Tunneling vs. Coulomb Correlations | p. 167 |
| Inter-Dot Coupling: Role of the Electric Field | p. 175 |
| Electron-Phonon Interaction in Semiconductor Quantum Dots | p. 183 |
| Introduction | p. 183 |
| Energy Relaxation in Bulk and Quantum Well Structures | p. 185 |
| Magneto-Absorption in Quantum Dots: the Evidence of Polarons | p. 192 |
| Energy Relaxation in the Polaron Framework | p. 207 |
| Excitonic Polarons in Quantum Dots | p. 209 |
| Diagonal Non-Perturbative Interaction Between Electrons and Acoustic Phonons | p. 212 |
| Conclusions | p. 215 |
| Phonon-Induced Decoherence in Semiconductor Quantum Dots | p. 221 |
| Introduction | p. 221 |
| Model for Phonon-Induced Pure Dephasing | p. 224 |
| Analytical Results for Excitations with Ultrafast Pulses | p. 226 |
| Linear single-dot spectra | p. 227 |
| The initial decay of four-wave-mixing signals | p. 230 |
| Impact of pure dephasing on electronic and phononic occupations | p. 234 |
| Influences of Temporal and Spectral Properties of the Laser Excitation on the Decoherence | p. 237 |
| Phonon-induced damping of Rabi oscillations in quantum dots | p. 237 |
| Optimal gating strategy: a trade-off between different types of decoherence | p. 241 |
| Conclusions | p. 244 |
| All-Optional Schemes for Quantum Information Processing with Semiconductor Macroatoms | p. 249 |
| Introduction | p. 249 |
| All-Optical Quantum Information/Computation with Semiconductor Macroatoms | p. 252 |
| Single-dot encoding schemes | p. 252 |
| Coupled-dot encoding schemes | p. 257 |
| GaAs-based quantum hardware | p. 257 |
| GaN-based quantum hardware | p. 262 |
| Combination of charge and spin degrees of freedom | p. 268 |
| Artificial molecules as qubits and Raman adiabatic passages for the optical gating | p. 271 |
| Summary and Conclusions | p. 278 |
| Novel Devices for the Measurement of Electronic States in Semiconductor Quantum Dots | p. 283 |
| Introduction | p. 283 |
| Field-Induced Exciton-Exciton Coupling in Semiconductor Quantum Dots with no Intrinsic Bias | p. 286 |
| Modeling Few Particle Interactions in Quantum Dots with Intrinsic Bias | p. 294 |
| Engineering electronic structure and optical spectrum in coupled GaN quantum dots | p. 294 |
| Semi-analytical model | p. 297 |
| Single exciton system | p. 298 |
| Biexciton system | p. 299 |
| Semiconductor Double Quantum Dot as Storage Qubit | p. 303 |
| Definition | p. 303 |
| Measurement using a STIRAP process | p. 305 |
| Failure of the adiabatic condition | p. 308 |
| Failure of the energy conservation requirement | p. 310 |
| All-Optical Read-Out Device | p. 311 |
| Index | p. 317 |
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