Recent progress in high power ultrafast short-wave and mid-wave infrared lasers has
enabled gas-phase high harmonic generation (HHG) in the water window and beyond, as …

The petawatt (PW) laser has experienced a rapid development in the past two decades, and
tens of giant facilities have been constructed worldwide. After realizing 10–100 PW, it seems …

Abstract Mid‐infrared (mid‐IR) ultrafast lasers are widely employed in biomedicine,
molecular spectroscopy, material processing, and nonlinear optics. With the improvement of …

The advent of chirped-pulse amplification in the 1980s and femtosecond Ti: sapphire lasers
in the 1990s enabled transformative advances in intense laser–matter interaction physics …

The chromium ion is among the most widely explored and used laser-active ions.
Depending on the charge state of the laser-active chromium ion in the host, tunable …

This review highlights the development of ultrafast sources in the near-and middle-IR range,
developed in the laboratory of Nonlinear Optics and Superstrong Laser Fields at Lomonosov …

We demonstrate a mid-infrared optical parametric chirped pulse amplifier (OPCPA),
delivering 2.1 µm center wavelength pulses with 20 fs duration and 4.9 mJ energy at 10 kHz …

Novel ultrafast x-ray sources based on high harmonic generation and at x-ray free electron
lasers are opening up new opportunities to resolve complex ultrafast processes in …

High harmonic generation (HHG) in atomic gases is generally assumed to originate from
photoelectrons that are not perturbed by neighboring particles. In this paper, we study …

We report a compact and reliable ultrafast fiber laser system optimized for seeding a high
energy, 2 μm pumped, 3 μm wavelength optical parametric chirped pulse amplification to …