(IMAGE) ICFO-The Institute of Photonic Sciences Caption Schematic illustration of the electrical spectroscopy on the polaritonic-based graphene photodetector. Image credit: ICFO/ David Alcaraz Iranzo. Credit ICFO/ David Alcaraz Iranzo. Usage Restrictions Credit must be given to the creator. Only noncommercial uses of the work are permitted. License CC BY-NC 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.