Since the first demonstration of the generation of attosecond pulses (1 as= 10− 18 s) in the
extreme-ultraviolet spectral region, several measurement techniques have been introduced …

The present status and development of strong-field nano-optics, an emerging field of
nonlinear optics, is discussed. A nonperturbative regime of light-matter interactions is …

Recently two emerging areas of research, attosecond and nanoscale physics, have started
to come together. Attosecond physics deals with phenomena occurring when ultrashort laser …

Recent advances in the generation of well-characterized subfemtosecond laser pulses have
opened up unpredicted opportunities for the real-time observation of ultrafast electronic …

The accurate measurement of time lies at the heart of experimental science, and is relevant
to everyday life. Extending chronoscopy to ever shorter timescales has been the key to …

Electron transfer from valence to conduction band states in semiconductors is the basis of
modern electronics. Here, attosecond extreme ultraviolet (XUV) spectroscopy is used to …

Photoemission from atoms is assumed to occur instantly in response to incident radiation
and provides the basis for setting the zero of time in clocking atomic-scale electron motion …

Attosecond science has paved the way for direct probing of electron dynamics in gases and
solids. This review provides an overview of recent attosecond measurements, focusing on …

Even for simple systems, the interpretations of new attosecond measurements are
complicated and provide only a glimpse of their potential. Nonetheless, the lasting impact …

Photoemission spectroscopy is central to understanding the inner workings of condensed
matter, from simple metals and semiconductors to complex materials such as Mott insulators …