Fig.2 (IMAGE) Osaka University Caption SEM images of SHG device. (a) and (b) GaN monolithic microcavity SHG device on a Si pedestal structure, (c) GaN sidewall view of SHG device. Credit Osaka University 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.