Beginning from the 1990s, an ever-lasting interest in the terahertz (THz) spectroscopy and
THz instruments has produced wide progress in the development of high-speed THz …

The giant Kerr nonlinearity with reduced linear and nonlinear absorption in a four-level
quantum dot by employing the tunnel coupling is investigated. It is shown that by …

The characteristics of quantum well infrared photodetectors (QWIPs) which utilizing
electromagnetically induced transparency (EIT) have been presented in this communication …

High-quality Bi2S3 nanowires are synthesized and their photoresponses are investigated in
detail. Our results show that the photoresponsive curves have distinctly different …

Infrared (IR) surveillance image generally has low resolution and signal-to-noise ratios. In
this paper, we present a new approach to IR image super resolution via group sparse …

We investigate quantum optical behaviors of a weak-probe laser field in an asymmetric
semiconductor three-coupled-quantum wells (TCQW) structure based on intersubband …

An ultrafast all-optical modulator based on spherical quantum dot using electromagnetically
induced transparency (EIT) technique in GaN/AlN structure, associated with inter-sublevel …

A quantum dot infrared (IR) photodetector based on intraband optical transitions among the
various states within the valence band by considering the principle of electromagnetically …

We propose a novel all-optical controllable switch using photonic crystal cavity. For doing
this work, the dipole induced transparency phenomenon realized through interaction of light …

The importance and the application vastity of terahertz and infrared photodetectors are clear
for every one working in this field. Infrared photodetectors are interesting components in …