Modulator (VIDEO) DOE/Sandia National Laboratories This video is under embargo. Please login to access this video. Caption Sandia National Laboratories’ four-channel, silicon photonic single-sideband modulator chip, measuring 8 millimeters on each side and marked with a green Sandia thunderbird logo, sits inside packaging that incorporates optical fibers, wire bonds and ceramic pins. Credit Craig Fritz, Sandia National Laboratories Usage Restrictions For news-reporting purposes only. All other uses must receive express permission from Sandia National Laboratories. 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.