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 …

In this work, we improve the performance of an optically pumped spintronic terahertz emitter
(STE) by a factor of up to 6 in field amplitude through an optimized photonic and thermal …

Spintronic terahertz emitters are broadband and efficient sources of terahertz radiation,
which emerged at the intersection of ultrafast spintronics and terahertz photonics. They are …

Laser-induced terahertz spin transport (TST) and ultrafast demagnetization (UDM) are
central but so far disconnected phenomena in femtomagnetism and terahertz spintronics …

Polarization control of THz light is of paramount interest for the numerous applications
offered in this frequency range. Recent developments in THz spintronic emitters allow for a …

Optically pumped spintronic terahertz emitters (STEs) have, in less than a decade, strongly
impacted terahertz (THz) source technology, by the combination of their Fourier‐limited …

Terahertz (THz) radiation with frequencies between 100 GHz and 30 THz has numerous
applications in basic science, materials characterization, imaging, sensor technologies, and …

Emitters based on photoconductive materials excited by ultrafast lasers are well-established
and popular devices for THz generation. However, so far, these emitters–both …

Spintronic terahertz emitters (STEs) are gapless, ultrabroadband terahertz sources that can
be driven within a wide pump-wavelength and repetition-rate range. While STEs driven by …

In recent years, femtosecond extreme-ultraviolet (XUV) and x-ray pulses from free-electron
lasers have developed into important probes to monitor processes and dynamics in matter …