The purpose of this article is to provide practical introduction into numerical modeling of
ultrashort optical pulses in extreme nonlinear regimes. The theoretic background section …

The absolute time-dependent nonlinear response of O 2, N 2, N 2 O, and Ar to intense
nonionizing, ultrashort optical pump pulses is measured with single-shot spectral …

The filamentation of the femtosecond vortex beam has attracted much attention because of
the unique filamentation characteristics, such as annular distribution and helical …

This research experimentally investigates the nonlinear absorption and refraction in
promising nonlinear crystals, sulfur-containing and selenium-containing barium …

Nonlinear optics experiments measuring phase shifts induced in a weak probe pulse by a
strong pump pulse must account for coherent effects that only occur when the pump and …

Two-color laser field-induced plasma filaments are efficient broadband terahertz (THz)
sources with intense THz waves emitted mainly in the forward direction, and they have been …

The filamentation of femtosecond pulses has attracted significant attention, owing to its
unique characteristics and related applications. The self-focusing critical power of …

A wavefront sensor has been used to measure the Kerr nonlinear focal shift of a high
intensity ultrashort pulse beam in a focusing beam geometry while accounting for the effects …

We perform numerical simulations to investigate the nonlinear propagation dynamics of
femtosecond Gaussian and vortex beams in fused silica. By analyzing the extent of spectral …

We present the design and operation in air of a laser test-bench able to measure the laser-
induced damage threshold of optical materials and components with ultrashort pulses down …