Light Emission from a D-Shaped Laser (VIDEO) Nanyang Technological University This video is under embargo. Please login to access this video. To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Caption The D-shaped laser tackles laser instability by encouraging disorder in the laser cavity. Credit Yale University Usage Restrictions Use with proper credit 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.