Photon Upconversion (IMAGE) University of California - Riverside Caption A green lower-energy laser light goes through silicon quantum dots, which the silicon quantum dots re-emit, or upconvert, into a higher-energy blue light. Credit Lorenzo Mangolini & Ming Lee Tang/UC Riverside Usage Restrictions WIth credit to Lorenzo Mangolini & Ming Lee Tang/UC Riverside 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.