In this paper, we propose a novel technique for the phase-matched coupling and frequency
conversion of terahertz (THz) waves. The principle of operation is based on nonlinear THz …

Following the generation of tunable terahertz waves from GaP in the 0.5-to 3-THz region, we
extended the frequency region up to 7 THz, using an optical parametric oscillator and a YAG …

The plethora of nonlinear optical phenomena can offer an innovative route for developing
subwavelength-scale optical components. Here, using graphene-integrated metadevices …

Germanium selenide (GeSe) is a 2D layered material with an anisotropic crystal structure
analogous to black phosphorus (BP). But unlike BP, GeSe is stable under ambient …

We present results achieved in the generation of terahertz wave by a semiconductor laser. It
is a Fabry–Pérot based device with shallow grooves implemented on its p-side to engineer …

We demonstrate the use of optical pulse-shaping technique in conjunction with difference
frequency generation in a non-linear optoelectronic crystal for generating synthesized …

We demonstrate the generation and coherent detection of narrowband terahertz radiation
using a Q-switched laser pumped optical parametric oscillator as the optical source …

Table-top high-power terahertz (THz) pulse sources based on the femtosecond lasers are
able to reveal fascinating nonlinear transport phenomena in materials and coherently drive …

This Rapid Communication presents a structure and full theoretical analysis to exploit the
photon drag effect for THz signal generation in a graphene layer integrated with a plasmonic …

We propose and numerically investigate an efficient method for long-range third-harmonic
generation (THG) of propagating surface plasmon polaritons (SPP) waves on graphene …