The king of the Netherlands, Willem-Alexander, visited today the High Tech Campus in Eindhoven. All the discussion was about integrated photonics and how this technology is seen worldwide as decisive for developing smaller, faster, and more energy-efficient devices. With a demonstration at Holst Center and a roundtable discussion at PhotonDelta, the king learned about the essence and the application of this technology and the importance of Photonics for the future of the Netherlands and Europe.