Emilia Pruszyńska-Karbownik received M.Sc. and Eng. degrees in Physics from the Lodz University of Technology, Łódź, Poland in 2006. After graduation, she joined the group of Prof. M. Bugajski at the Institute of Electron Technology, Warsaw, Poland. In this group, at first, she worked on near-IR diode lasers, and finally on mid-IR quantum cascade lasers. She received a Ph.D. degree in Electrical Engineering from the Institute of Electron Technology in 2016. In 2018, she joined the Photonics Group at the Institute of Physics, Lodz University of Technology. Her current research interests include optical beams of semiconductor lasers and high-quality optical cavities.