Scanning Electron Micrograph of a Fabricated Photonic Waveguide (image) American Institute of Physics Share Print E-Mail Caption The scanning electron micrograph of a fabricated photonic waveguide used in on-chip mid-infrared frequency comb lasers. Credit National Institute of Standards and Technology, Applied Physics Division, Quantum Nanophotonics group Usage Restrictions This image may be used with appropriate credit. 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.