image: Generating unclonable patterns to fight counterfeiting. view more Credit: University of Luxembourg In a multinational collaboration, researchers from the Universities of Luxembourg, Ljubljana ...

WASHINGTON--(BUSINESS WIRE)--Using pseudo-random speckle patterns is an efficient way to image targets, but most approaches require bulky, expensive, complex and slow machinery. To apply this ...

Image showing gold contacts where we bias each laser with DC current. Light is out-coupled from the racetracks using the directional-coupler waveguides along the straight section of either racetrack.