Spin relaxation mechanism of strain-induced GaAs quantum dots studied by time-resolved Kerr rotation

Direct measurement of spin dynamics in InAs/GaAs quantum dots using time-resolved resonance fluorescence

C.-Y. Lu,1,2 Y. Zhao,1,3 A. N. Vamivakas,1 C. Matthiesen,1 S. Fält,4 A. Badolato,5 and M. Atatüre1 1Cavendish Laboratory, University of Cambridge, JJ Thomson Avenue, Cambridge CB3 0HE, United Kingdom 2HFNL and Department of Modern Physics, University of Science and Technology of China, Hefei, 230026, China 3Physikalisches Institut, Ruprecht-Karls-Universität Heidelberg, Philosophenweg 12, Heide...

Magnetic relaxation of exchange biased (Pt/Co) multilayers studied by time-resolved Kerr microscopy

Spin relaxation in quantum dots

Results are given for spin relaxation in quantum dots due to acoustic phonon-assisted flips of single spins at low temperatures. The dominant spin relaxation processes for varying dot size, temperature, and magnetic field are identified. These processes are mediated by the spin-orbit interaction and are described within a generalized effective mass treatment. Particular attention is given to ph...

Time-Resolved Electronic Relaxation Processes In Self-Organized Quantum Dots

Coherence and Spin in GaAs Quantum Dots

This thesis describes a number of experiments performed in quantum dots as well as 2D systems fabricated in GaAs/AlGaAs 2D electron gases. The focus of the studies is set on spin, coherence and interaction effects of electrons in mesoscopic structures. Experiments investigating the rich physics of spin-orbit coupling in confined structures in presence of magnetic fields both perpendicular and p...