In line with the WP 3 of the Marie Curie project QuantumLaP, T. J.-Y. Derrien is joining the group of Prof. Angel Rubio from March 1st 2018 to develop further the quantum theory of laser-matter interaction. He will be spending 70% of his time in the Theory Group of Max Planck Institute for Structure and Dynamics of Matter (Hamburg) and supporting the HiLASE (Prague) activities by 30% of the time.