Developers (IMAGE) University of Copenhagen - Niels Bohr Institute Caption The Quantum Photonics group at the Niels Bohr Institute, which is headed by Professor Peter Lodahl (left) and Associate Professor Søren Stobbe (right), has developed the single-photon source that is integrated on an optical chip. Credit (Ola Jakup Joensen, NBI) Usage Restrictions (Ola Jakup Joensen, NBI) 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.