Researchers (IMAGE) Nanyang Technological University Caption Photo 2 - (left) NTU physicist Assoc Prof Ranjan Singh and first author of the paper Dr Yihao Yang discussing future experiments with their new photonic topological insulator terahertz chip Credit NTU Singapore Usage Restrictions NTU Singapore 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.