Students Émile Dessureault (MS), Justine Rakotomalala (MS), and Patrick Cusson (PhD) showcase femtoQ laboratory to the public during the Portes Ouvertes (Open Door) event at Polytechnique Montréal today. The team prepared several informational stands summarizing the research activities @femtoQ and hands-on demos that educate visitors on the coherence, quantum, and broadband properties of light waves.