Perovskites Optical Communication (IMAGE) Linköping University Caption Chunxiong Bao and Feng Gao, Linkoping University. Credit Thor Balkhed Usage Restrictions Connected to news from LiU License Licensed 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.