Demonstrator (IMAGE) Graphene Flagship Caption This is an all-graphene optical communication link demonstrator operating at a data rate of 25 Gb/s per channel. Credit AMO Usage Restrictions Please credit AMO 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.