Researchers within the Graphene Flagship project, one of the biggest research initiatives of the European Commission, showed that integrated graphene-based photonic devices offer a unique solution for the next generation of optical communications. Researchers in the initiative have demonstrated how properties of graphene enable ultra-wide bandwidth communications coupled with low power consumption to radically change the way data is transmitted across the optical communications systems. This could make graphene-integrated devices the key ingredient in the evolution of 5G, the Internet-of-Things (IoT), and Industry 4.0. The findings were published in Nature Reviews Materials and highlighted on the cover.