Interview with Lukas Sponfeldner (VIDEO) Swiss Nanoscience Institute, University of Basel This video is under embargo. Please login to access this video. Caption Lukas Sponfeldner explains the coupling of two different electron-hole-pairs. Credit C. Möller, Swiss Nanoscience Institute, University of Basel Usage Restrictions Only to be used when credit are mentioned. License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.