Video abstract for the article ‘Cooperative Lamb shift and superradiance in an optoelectronic device ‘ by G Frucci, S Huppert, A Vasanelli, B Dailly, Y Todorov, G Beaudoin, I Sagnes and C Sirtori (G Frucci et al 2017 New J. Phys. 19 043006). Read the full article in New Journal of Physics: http://iopscience.iop.org/article/10....