We have efficiently generated tunable terahertz (THz) radiation using intracavity parametric
down-conversion in gallium arsenide (GaAs). We used three types of microstructured GaAs …

We present and demonstrate experimentally two simple and distortion-free methods to
sample terahertz pulse in zinc-blende-type crystals like ZnTe or GaP. They are based on an …

We design a GaP/Si composite waveguide to achieve efficient terahertz (THz) wave
generation under collinear phase-matched difference frequency mixing (DFM) between near …

Terahertz (THz) wave generation via difference frequency mixing (DFM) process in strain
silicon membrane waveguides by introducing the straining layer is theoretically investigated …

Optical frequency conversion using quasi-phasematched (QPM) nonlinear optical crystals is
a powerful technique for generating coherent radiation in wavelength ranges where lasers …

Pump enhanced optical parametric oscillation under a cavity phase matching configuration
is an effective way to obtain monochromatic THz waves with high pulse energy. Numerical …

We proposed a surface-emitted THz-wave generation on the basis of difference frequency
mixing in a GaP planar waveguide. By utilizing modal birefringence of fundamental TE and …

Here, we propose an efficient scheme for terahertz (THz) wave generation on the basis of
difference frequency mixing (DFM) using a GaP ridge waveguide embedded in a silicon slot …

Converting near infrared signals in a nonlinear medium is an attractive way to generate
terahertz radiation due to the availability of near-IR lasers and nonlinear materials. However …

We have efficiently generated tunable terahertz (THz) radiation using intracavity parametric
down-conversion in gallium arsenide (GaAs). We used three types of micro-structured GaAs …