Optical metasurfaces with subwavelength thickness hold considerable promise for future
advances in fundamental optics and novel optical applications due to their unprecedented …

Phase-change materials (PCMs) provide a unique combination of properties. On
transformation from the amorphous to crystalline state, their optical properties change …

Tailoring light properties using metasurfaces made of optically thin and subwavelength
structure arrays has led to a variety of innovative optical components with intriguing …

During the past decades, major advances have been made in both the generation and
detection of infrared light; however, its efficient wavefront manipulation and information …

Materials research plays a vital role in transforming breakthrough scientific ideas into next‐
generation technology. Similar to the way silicon revolutionized the microelectronics …

We show tuning of the resonance frequency of aluminum nanoantennas via variation of the
refractive index n of a layer of phase-change material. Three configurations have been …

Graphene has emerged as a promising optoelectronic material because its optical
properties can be rapidly and dramatically changed using electric gating. Graphene's weak …

In recent years, active metasurfaces have emerged as a reconfigurable nanophotonic
platform for the manipulation of light. Here, application of an external stimulus to resonant …

Optical metasurfaces are nanoengineered architectures aiming at the functional control of
light propagation. In recent years, the performance of metasurfaces has been significantly …

Terahertz (THz) radiation has received much attention during the past few decades for its
potential applications in various fields, such as spectroscopy, imaging, and wireless …