I obtained my PhD in plasma physics from the University of Orsay – Paris-Sud in 1990, completing my experimental thesis at the LULI laboratory (École Polytechnique) on stimulated Raman scattering in high-intensity laser–plasma interactions. Since then, my research and experimental work have extended to various facilities worldwide, involving multi-beam laser systems with pulse durations ranging from sub-picosecond to multi-nanosecond, and reaching into the relativistic regime.My area of expertise focuses on the study of parametric instabilities—such as Raman scattering, Brillouin scattering, and their associated suprathermal particle generation—as well as Thomson scattering diagnostics with high temporal and spatial resolution. These phenomena are particularly prominent in short-pulse (picosecond) regimes, where their growth is most rapid. Initially, this research—relevant to laser-driven fusion—was conducted in collaboration with laboratories at École Polytechnique, and has since continued in partnership with CEA-DIF.These plasma instabilities have significant implications for electron and ion kinetics, often necessitating the use of well-instrumented particle-in-cell simulations to interpret experimental results. It is increasingly evident that parametric instabilities drive the plasma’s velocity distribution away from a Maxwellian profile, opening a broad and compelling area of research.I have also obtained the Habilitation à Diriger des Recherches (HDR), qualifying me to supervise doctoral research.