Jacqueline Bloch leads a world-leading group on semiconductor exciton-polariton physics at C2N/Paris-Saclay. Research: (1) polariton condensation and quantum fluids of light — superfluidity, vortices, analogue gravity; (2) topological insulator physics with polaritons; (3) quantum simulation with polariton lattices; (4) fundamental quantum optics of polariton systems. IQUPS co-organiser; C2N head. Key for light-physics sensing relevant to quantum fluids and topological photonics.