Microscope Image (IMAGE) Ecole Polytechnique Fédérale de Lausanne Caption Microscope image showing the piezoelectric actuators covering the silicon nitride photonic circuits. Credit Junqiu Liu, Rui Ning Wang Usage Restrictions Media purposes only. Commercial usage restricted; by permission only. 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.