As part of the Année de l'ingénierie, CNRS is partnering with Bloom Média to make engineering, its scientific research and its professions accessible, tangible and appealing. C2N illustrates this collaboration through a video devoted to its research on the photonic quantum computer. Follow Pascale Senellart, CNRS research director at C2N and co-founder of the start-up Quandela, inside our clean room, discovering this technology.