Semiconductor plasmonics has become a frontier for light manipulation beyond the
diffraction limit, offering a broader spectral range and higher flexibility of plasmon …

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

Midinfrared plasmonic sensing allows the direct targeting of unique vibrational fingerprints of
molecules. While gold has been used almost exclusively so far, recent research has focused …

The coupling between light and collective oscillations of free carriers at metallic surfaces
and nanostructures is at the origin of one of the main fields of nanophotonics: plasmonics …

Surface plasmon polaritons and their localized counterparts, surface plasmons, are widely
used at visible and near-infrared (near-IR) frequencies to confine, enhance, and manipulate …

Using empirical pseudopotential theory, the direct (Γ) and indirect bandgaps (L and X) of
unstrained crystalline Si x Ge 1− x− y Sn y have been calculated over the entire xy …

Recently, two rich and exciting research fields, layered two-dimensional (2D) materials and
metamaterials, have started overlapping. Metamaterials are artificial, engineered materials …

A surface-illuminated photoconductive detector based on Ge_0. 91Sn_0. 09 quantum wells
with Ge barriers grown on a silicon substrate is demonstrated. Photodetection up to 2.2 µm …

Germanium is becoming an important material for mid-infrared photonics, but the modulation
mechanisms in Ge are not yet well understood. In this paper, we estimate the size of free …

Optical and electrical properties of indium tin oxide (ITO) films on Si substrates in the
thickness range from 10 nm to 100 nm were investigated. Spectroscopic ellipsometry was …