Illustration quantum source (IMAGE) Leibniz University Hannover Caption Artistic illustration of the chip-integrated quantum light source for the generation of entangled photons. Credit Raktim Haldar/Michael Kues 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.