(IMAGE) McGill University Caption Four channel coherent optical receiver signals detected by oscilloscope. / Détection par un oscilloscope des signaux d’un récepteur optique cohérent à quatre canaux. Credit McGill University Usage Restrictions Credit image License Original 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.