2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/100469We analyze and interpret recent optical experiments with semiconductor quantum dots. We derive a quantitative relation between the amount of information transferred into the environment and the optical polarization that may be observed in a spectroscopy experiment.Final version (moderate modifications). To appear in Phys. Lett. AMesoscale and Nanoscale Physicstext