Wave Guides (image) Yale University Share Print E-Mail Caption Dr. Tang's team shows how interacting lightwaves can be used to control devices on a silicon chip. Credit Hong Tang/Yale University Usage Restrictions Image may be used with appropriate credit given. 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.