Dmitri Efetov (Left) and Xiaobo Lu (Right) Holding the Device in Front of the Setup (IMAGE) ICFO-The Institute of Photonic Sciences Caption Dmitri Efetov (left) and Xiaobo Lu (right) holding the device in front of the setup. ©ICFO Credit !N 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.