Light Emission (image) Forschungsverbund Berlin Share Print E-Mail Caption Light emission (blue) from the current associated with light-induced electronic tunneling inside a transparent dielectric material due to excitation with a strong optical field (red). Credit University of Rostock, B. Liewehr Usage Restrictions The image may only be used with appropriate caption and credit. Share Print E-Mail 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.