In this paper, optical second-harmonic generation of terahertz field from n-type InSb
semiconductors is investigated. The inter-band transitions generate electron-hole charge …

Terahertz radiation and its nonlinear optical manipulation may possess potential for a variety
of applications in next‐generation electronics and optics. Pioneering studies have shown …

We theoretically investigate the effects of the excitation frequency on the plateau of high-
order terahertz sideband generation (HSG) in semiconductors driven by intense terahertz …

The nonlinear optical properties of semiconductor quantum wells driven by intense in-plane
terahertz electric fields are investigated theoretically by employing the extended …

We present the theory of excitonic high-order sideband generation (HSG) in semiconductors
by an intense terahertz (THz) field. When the Coulomb interaction is neglected, we give an …

We report on the second harmonic generation (SHG) of a near-infrared pulse in a zinc
telluride crystal through the Pockels effect induced by an intense terahertz pulse. The …

The extreme nonlinear terahertz response of initially unexcited intrinsic semiconductor
nanostructures is studied theoretically by solving extended semiconductor Bloch equations …

The experimental findings on the second harmonic generation (SHG) in centrosymmetric
crystal silicon are reported. The SHG is induced by extremely high electric field (up to 15 …

Terahertz radiation from InSb and InAS, which are typical narrow band-gap semiconductors,
was investigated using time-resolved THz emission measurements. When we compared …

In this Letter, we investigate the nonlinear effects of extremely intense few-cycle terahertz
(THz) pulses (generated from the organic crystal 4-NN, NN-dimethylamino-4^′ 4^′-N …