The use of photons to directly or indirectly drive chemical reactions has revolutionized the
field of nanomaterial synthesis resulting in appearance of new sustainable laser chemistry …

Ultrafast lasers reaching extremely high powers within short fractions of time enable a
plethora of applications. They grant advanced material processing capabilities, are effective …

Terahertz (THz) radiation encompasses a wide spectral range within the electromagnetic
spectrum that extends from microwaves to the far infrared (100 GHz–∼ 30 THz). Within its …

The first-order helical Laguerre–Gaussian mode (also called donut mode) is used to
improve the energy throughput of nonlinear spectral broadening in gas-filled multipass cells …

Using a 400 μJ ytterbium laser combined with a novel pulse compression technique, we
demonstrate a state-of-the-art terahertz (THz) source from the tilted-pulse front pumping …

We demonstrate the reliable generation of 1-mJ, 31-fs pulses with an average power of 1 kW
by post-compression of 200-fs pulses from a coherently combined Yb: fiber laser system in …

Conspectus Ultrafast spectroscopy and imaging have become tools utilized by a broad
range of scientists involved in materials, energy, biological, and chemical sciences …

The fundamental principles and experimental implementations of multipass cells used as a
platform for nonlinear optics are reviewed. Embedding a nonlinear medium in a multipass …

We present a high-power source of broadband terahertz (THz) radiation covering the whole
THz spectral region (0.1–30 THz). The two-color gas plasma generation process is driven by …

Increasing the average power of broadband, few-cycle terahertz (THz) sources is currently a
topic of intense investigation, fueled by recent immense progress in high average power …