Recent research in topological photonics has not only proposed and realized novel
topological phenomena such as one‐way broadband propagation and robust transport of …

Let there be light–to change the world we want to be! Over the past several decades, and
ever since the birth of the first laser, mankind has witnessed the development of the science …

The revolutionary 5G cellular systems represent a breakthrough in the communication
network design to provide a single platform for enabling enhanced broadband …

Over the past decade, topology has emerged as a major branch in broad areas of physics,
from atomic lattices to condensed matter. In particular, topology has received significant …

The unique properties of light underpin the visions of photonic quantum technologies,
optical interconnects and a wide range of novel sensors, but a key limiting factor today is …

Quantum cascade lasers are compact, electrically pumped light sources in the
technologically important mid-infrared and terahertz region of the electromagnetic spectrum …

The topological properties of an object, associated with an integer called the topological
invariant, are global features that cannot change continuously but only through abrupt …

Rapidly growing demands for fast information processing have launched a race for creating
compact and highly efficient optical devices that can reliably transmit signals without losses …

The realization of integrated, low-cost and efficient solutions for high-speed, on-chip
communication requires terahertz-frequency waveguides and has great potential for …

Meta-lenses composed of artificial meta-atoms have stimulated substantial interest due to
their compact and flexible wavefront sha** capabilities, outperforming bulk optical …