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 ...

Metamaterials open up entirely new possibilities in optics

Researchers at Chalmers University of Technology have developed a method that enables them to manipulate light to follow any predetermined path along a surface. The innovation has now been described as one of the world's ...

Light bending material facilitates the search for new particles

Particle physicists have a hard time identifying all the elementary particles created in their particle accelerators. But now researchers at Chalmers University of Technology have designed a material that makes it much easier ...

Device turns flat surface into spherical antenna

By depositing an array of tiny, metallic, U-shaped structures onto a dielectric material, a team of researchers in China has created a new artificial surface that can bend and focus electromagnetic waves the same way an antenna ...

Nanoplasmonics: Towards efficient light harvesting

The control of light is vital to many applications, including imaging, communications, sensing, cancer treatment, and even welding processes for automobile parts. Transformation optics is an emerging field that has revolutionized ...

page 1 from 2