High Performance Photodetector (image) University of Minnesota Share Print E-Mail Caption This illustration shows the high performance photodetector which uses few layer black phosphorus (red atoms) to sense light in the waveguide (green material). Graphene (gray atoms) is also used to tune the performance. Credit University of Minnesota, College of Science and Engineering Usage Restrictions None Share Print E-Mail 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.