Significance: Terahertz (THz) radiation has demonstrated a great potential in biomedical
applications over the past three decades, mainly due to its non-invasive and label-free …

This paper presents an overview of the different methods used for sensitivity (ie, responsivity
and noise equivalent power) determination of state-of-the-art field-effect transistor-based …

Plasmons, collective oscillations of electron systems, can efficiently couple light and electric
current, and thus can be used to create sub-wavelength photodetectors, radiation mixers …

Although the detection of light at terahertz (THz) frequencies is important for a large range of
applications, current detectors typically have several disadvantages in terms of sensitivity …

The frequency spectra and polarization states of terahertz waves can convey significant
information about physical interactions and material properties. Compact and miniaturized …

The rectification of electromagnetic waves to direct currents is a crucial process for energy
harvesting, beyond-5G wireless communications, ultra-fast science, and observational …

The phenomena and recent progress in the evolution of the basic classes of the THz
detectors that exist today are considered. Issues associated with the development and …

Light incident upon materials can induce changes in their electrical conductivity, a
phenomenon referred to as photoresistance. In semiconductors, the photoresistance is …

Frequency-selective or even frequency-tunable terahertz (THz) photodevices are critical
components for many technological applications that require nanoscale manipulation …

Uncooled terahertz photodetectors (PDs) showing fast (ps) response and high sensitivity
(noise equivalent power (NEP)< nW/Hz1/2) over a broad (0.5–10 THz) frequency range are …