Rapid progress in photonics and nanotechnology brings many examples of resonant optical
phenomena associated with the physics of Fano resonances, with applications in optical …

BACKGROUND Nanoscale optics is usually associated with plasmonic structures made of
metals such as gold or silver. However, plasmonics suffers from high losses of metals …

Abstract Two-dimensional (2D) transition metal dichalcogenide (TMDC) materials, such as
MoS 2, WS 2, MoSe 2, and WSe 2, have received extensive attention in the past decade due …

The prospect of creating metamaterials with optical properties greatly exceeding the
parameter space accessible with natural materials has been inspiring intense research …

Frequency conversion processes, such as second-and third-harmonic generation, are
commonly realized in nonlinear optics, offering opportunities for applications in photonics …

All-dielectric metasurfaces, two-dimensional arrays of subwavelength low loss dielectric
inclusions, can be used not only to control the amplitude and phase of optical beams, but …

All-dielectric metasurfaces provide a powerful platform for highly efficient flat optical devices,
owing to their strong electric and magnetic dipolar response accompanied by negligible …

We experimentally demonstrate a functional silicon metadevice at telecom wavelengths that
can efficiently control the wavefront of optical beams by imprinting a spatially varying …

The study of the resonant behavior of silicon nanostructures provides a new route for
achieving efficient control of both electric and magnetic components of light. We …

We harness non-volatile, amorphous-crystalline transitions in the chalcogenide phase-
change medium germanium antimony telluride (GST) to realize optically-switchable, all …