Interest of the research in terahertz (THz) wave has been strongly motivated by its wide
applications in the fields of physics, chemistry, biology, and engineering. Develo** …

Strong terahertz (THz) electric and magnetic transients open up new horizons in science
and applications. We review the most promising way of achieving sub-cycle THz pulses with …

Extreme nonlinear interactions of THz electromagnetic fields with matter are the next frontier
in nonlinear optics. However, reaching this frontier in free space is limited by the existing …

Low-frequency currents induced by ultrashort laser-driven ionization can emit extremely
broadband, single-cycle terahertz pulses. We present a model that predicts a strong …

We have solved the long-standing problem of the mechanism of terahertz (THz) generation
by a two-color filament in air and found that both neutrals and plasma contribute to the …

Terahertz (THz) waves show great potential in nondestructive testing, biodetection and
cancer imaging. Despite recent progress in THz wave near-field probes/apertures enabling …

We investigate high-power terahertz (THz) generation in two-color laser filamentation using
terawatt (TW) lasers including a 0.5 TW, 1 kHz system, as well as 2 and 30 TW systems both …

In the widely studied two-color laser scheme for terahertz (THz) radiation from a gas, the
frequency ratio of the two lasers is usually fixed at ω 2/ω 1= 1: 2. We investigate THz …

We investigate for the first time, both experimentally and theoretically, low-frequency
terahertz (THz) emission from the ambient air ionized by a two-color femtosecond laser …

Broadband ultrashort terahertz (THz) pulses can be produced using plasma generation in a
noble gas ionized by femtosecond two-color pulses. Here we demonstrate that, by using …