Figure 1 (IMAGE) Singapore University of Technology and Design Caption Generation of circularly polarized nonlinear signals from chiral metasurfaces with rotational symmetry under arbitrarily polarized excitation. Credit SUTD Usage Restrictions Image should be used with appropriate credit and caption. 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.