Couling of electron-hole-pairs (IMAGE) Swiss Nanoscience Institute, University of Basel Caption The coupling of two different electron-hole pairs leads to a fusion of their properties. Credit L. Sponfeldner, Department of Physics, University of Basel Usage Restrictions Should only be used when credits 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.