Notched Elliptical Resonator (IMAGE) Harvard University Caption Upper panel: Schematic illustration of the notched elliptical resonator. Lower panel: Ray simulation of whispering gallery mode dynamics. Credit Courtesy of the laboratory of Federico Capasso, Harvard School of Engineering and Applied Sciences (SEAS). 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.