Researchers in the lab (IMAGE) Optica Caption Researchers Alessandro Alberucci and Kim Lammers are pictured working in the lab. Their advance paves the way to integrating new types of optical functions into the whole volume of a single glass chip, enabling compact full 3D photonic integrated devices. Credit GRK2101, Friedrich Schiller University Jena 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.