Abstract Magneto-optical (MO) effects, viz. magnetically induced changes in light intensity or
polarization upon reflection from or transmission through a magnetic sample, were …

Gallium nitride (GaN) is one of the most technologically important semiconductors and a
fundamental component in many optoelectronic and power devices. Low-resistivity GaN …

Being able to dynamically shape light at the nanoscale is one of the ultimate goals in nano-
optics. Resonant light–matter interaction can be achieved using conventional plasmonics …

To promote potential applications of terahertz (THz) technology, more advanced functional
THz devices with high performance are needed, including modulators, polarizers, lenses …

Reconfigurable plasmonics is driving an extensive quest for active materials that can
support a controllable modulation of their optical properties for dynamically tunable …

In the past, terahertz spectroscopy has mainly been performed based on terahertz time-
domain spectroscopy systems in a transmission or a window/prism-supported reflection …

Electrically conducting polymers (ECPs) are becoming increasingly important in areas such
as optoelectronics, biomedical devices, and energy systems. Still, their detailed charge …

Optical nanoantennas are often based on plasmonic resonances in metal nanostructures,
but their dynamic tunability is limited due to the fixed permittivity of conventional metals …

Terahertz (THz) technologies provide opportunities ranging from calibration targets for
satellites and telescopes to communication devices and biomedical imaging systems. A …

Compositionally graded channel AlGaN/GaN high electron mobility transistors (HEMTs) offer
a promising route to improve device linearity, which is necessary for low-noise radio …