By crossing two intense ultrashort laser pulses with different colors in a transparent medium,
like a simple piece of glass, a fan of multicolored broadband light pulses can be …

We investigate the macroscopic physics of noncollinear high harmonic generation (HHG) at
high pressures. We make the first experimental demonstration of phase matching of …

We demonstrate the versatile broadband wavelength tunability of frequency upconverted
multicolor cascaded four-wave-mixing (CFWM) signals spanning the continuous wavelength …

A pulse compressing technology of single-frequency Q-switched laser based on the
cascaded four-wave mixing (CFWM) effect is demonstrated theoretically and experimentally …

The wavelength of a femtosecond Ti: sapphire laser (TS, 800 nm) was converted into the
ultraviolet (UV, 200 nm) using three β-barium borate crystals (β-BaB2O4) for frequency …

A method is described for generating intense pulsed vacuum ultraviolet (VUV) and extreme
ultraviolet (XUV) laser radiation by resonance enhanced four-wave mixing of commercial …

We present a simple and efficient technique for the generation of ultrashort deep-ultraviolet
pulses based on four-wave mixing of noncollinear laser pulses in a thin solid. Sub-30-fs …

We investigate four-wave mixing in hydrogen gas using a gas cell and a hollow fiber for the
generation of high-energy, multicolor femtosecond (fs) optical pulses. Both a hydrogen-filled …

In the present paper, we studied possibility of observation and detection of nonlinear optical
effects in free space. We studied four wave mixing process in which signal is generated …

High-harmonic generation (HHG) is an extreme nonlinear optical process, in which visible
femtosecond laser light is coherently upconverted to produce ultrashort pulses of extreme …