Femtosecond pulse generation was pioneered four decades ago using mode-locked dye
lasers, which dominated the field for the following 20 years. Dye lasers were then replaced …

Ultrafast fiber lasers have gained rapid advances in last decades for their intrinsic merits
such as potential of all-fiber format, excellent beam quality, superior power scalability, and …

An ultrafast laser delivering 10.4 kW average output power based on a coherent
combination of 12 step-index fiber amplifiers is presented. The system emits close-to …

This tutorial presents an introduction to power scaling concepts for high-order harmonic
generation (HHG) and attosecond pulse production. We present an overview of state-of-the …

An ultrafast laser based on the coherent beam combination of four ytterbium-doped step-
index fiber amplifiers is presented. The system delivers an average power of 3.5 kW and a …

Fiber laser technology has been demonstrated as a versatile and reliable approach to laser
source manufacturing with a wide range of applicability in various fields ranging from …

Nonlinear optical methods have become ubiquitous in many scientific areas, from
fundamental studies of time-resolved electron dynamics to microscopy and spectroscopy …

High harmonic generation (HHG) enables extreme-ultraviolet radiation with table-top set-
ups. Its exceptional properties, such as coherence and (sub)-femtosecond pulse durations …

Sources of short wavelength radiation with femtosecond to attosecond pulse durations, such
as synchrotrons or free electron lasers, have already made possible numerous, and will …

In this Letter, we report on a femtosecond fiber chirped-pulse-amplification system based on
the coherent combination of the output of four ytterbium-doped large-pitch fibers. Each …