Linear accelerator-based free-electron lasers (FELs) are the leading source of fully coherent
X-rays with ultra-high peak powers and ultra-short pulse lengths. Current X-ray FEL facilities …

The technique of stimulated Raman adiabatic passage (STIRAP), which allows efficient and
selective population transfer between quantum states without suffering loss due to …

The quantum-mechanical motion of electrons in molecules and solids occurs on the sub-
femtosecond timescale. Consequently, the study of ultrafast electronic phenomena requires …

A new scientific frontier opened in 2009 with the start of operations of the world's first x-ray
free-electron laser (FEL), the Linac Coherent Light Source (LCLS), at SLAC National …

High-resolution X-ray spectroscopy in the sub-nanosecond to femtosecond time range
requires ultrashort X-ray pulses and a spectral X-ray flux considerably larger than that …

X-ray free-electron lasers (FELs) are state-of-the-art scientific tools capable to study matter
on the scale of atomic processes. Since the initial operation of X-ray FELs more than a …

Free-electron lasers and high-harmonic-generation table-top systems are new sources of
extreme-ultraviolet to hard X-ray photons, providing ultrashort pulses that are intense …

Free-electron lasers produce extremely brief, coherent, and bright laser-like photon pulses
that allow to image matter at atomic resolution and at timescales faster than the …

X-ray free-electron lasers (x-ray FELs) give us for the first time the possibility to explore
structures and dynamical processes of atomic and molecular systems at the angstrom …

X-ray free-electron lasers (FELs), which amplify light emitted by a relativistic electron beam,
are extending nonlinear optical techniques to shorter wavelengths, adding element …