Xiang Zhang, Berkeley Lab (IMAGE) DOE/Lawrence Berkeley National Laboratory Caption Xiang Zhang, Haim Suchowski and Kevin O'Brien were part of the team that discovered a way to predict the non-linear optical properties of metamaterials. Credit Photo by Roy Kaltschmidt, Berkeley Lab Usage Restrictions None 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.