Ultra-compact phase modulators based on graphene plasmons

Modulating the amplitude and phase of light is a key ingredient for many of applications such as wavefront shaping, transformation optics, phased arrays, modulators and sensors. Performing this task with high efficiency and ...

Super-sharp images through thin optical fibres

Super-sharp images from within the human body made through tiny endoscopes have come a step closer to reality thanks to joint research by scientists from the University of Twente's MESA+ research institute, the Max Planck ...