Nanophotonic mode-locked laser (IMAGE) California Institute of Technology Caption A nanophotonic mode-locked laser built on lithium niobate emits a beam of green laser light. Credit Caltech Usage Restrictions Must credit Caltech 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.