Quantum Connections 2026 (the sixteenth Quantum Connections in Sweden summer school) brought together graduate students and postdocs, both theoretical and experimental, to work across the quantum frontier alongside leading researchers. The school took place from 7 to 20 June 2026 at Högberga Gård in Lidingö, Sweden. The lecture slides and materials are now available below. About the school Quantum Connections is a series of summer schools for graduate students and postdocs in