Extreme ultraviolet microscopy and wavefront sensing are key elements for next-generation
ultrafast applications, such as chemically-resolved imaging, focal spot diagnostics in pump …

Experimental approaches based on nonlinear optical processes (wave-mixing) have
allowed major breakthroughs in diverse fields of science and technology. Nevertheless …

Frequency-resolved optical gating (FROG) is a very popular technique for complete
characterization of ultrashort laser pulses. In FROG, a reconstruction algorithm retrieves the …

We demonstrate a new attosecond pulse reconstruction modality which uses an algorithm
that is derived from ptychography. In contrast to other methods, energy and delay sampling …

Many ultrashort laser pulse measurement schemes such as frequency-resolved optical
gating (FROG), interferometric FROG, dispersion scan, or time-domain ptychography require …

We present the main specifications of the newly constructed Swiss Free Electron Laser,
SwissFEL, and explore its potential impact on ultrafast science. In light of recent …

We present an iterative retrieval algorithm based on data constraint for ultrashort pulse
characterization using dispersion scan (d-scan). The proposed algorithm is much faster and …

Through dedicated measurements in the optical regime we demonstrate that ptychography
can be applied to reconstruct complex-valued object functions that vary with time from a …

We present the experimental realization of spectrally tunable, ultrashort, quasi-
monochromatic extreme ultraviolet (XUV) pulses generated at 100 kHz repetition rate in a …

We report, to the best of our knowledge, the first application of time-domain ptychography for
the characterization of few-cycle laser pulses. Our method enables zero-additional phase …