Terahertz Pulses (IMAGE) University of Tokyo Caption The Ohya research group successfully affected spin by 20 percent in under a picosecond. This is a promising technique for ultrafast nonvolatile memory devices. Credit ©2019 Ohya Laboratory Usage Restrictions ©2019 Ohya Laboratory 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.