Khaled Karrai

TL;DR: In this paper, a device for acquiring position with a confocal Fabry-Perot interferometer is described, and a method for detecting the interference pattern to obtain a measuring signal is presented.

TL;DR: In this article, electron and hole tunnelling phenomena in a single self-assembled quantum dot as a function of the applied electric field were reported, and absorption spectroscopy was used to measure excitonic transitions under conditions where optical recombination cannot be observed due to the high, ionizing, electric field.

TL;DR: In this article, the authors present the results of photoluminescence experiments as a function of both charge and magnetic field and demonstrate a hierarchy of energy scales determined by quantization, the direct Coulomb interaction, the electron-electron exchange interaction, and the electron−hole exchange interaction.

TL;DR: In this paper, the authors present photoluminescence spectra from single InAs/GaAs quantum dots embedded in a Schottky diode heterostructure and demonstrate a number of effects.

TL;DR: An alignment method using additive type moiré fringe technique that is easy to implement and does not require extensive processing steps is employed and can be used for several soft lithography techniques.