Photo team (IMAGE) Leibniz University Hannover Caption They developed the new integrated quantum light source (from left): Prof. Dr Michael Kues, head of the Institute of Photonics and board member of the Cluster of Excellence PhoenixD at Leibniz University Hannover, with doctoral student Hatam Mahmudlu and Humboldt fellow Dr. Raktim Haldar. Credit Sonja Smalian/PhoenixD Usage Restrictions none 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.