Time-varying media have recently emerged as a new paradigm for wave manipulation, due
to the synergy between the discovery of highly nonlinear materials, such as epsilon-near …

Spin–orbit torque (SOT) is an emerging technology that enables the efficient manipulation of
spintronic devices. The initial processes of interest in SOTs involved electric fields, spin …

The emerging field of orbitronics exploits the electron orbital momentum L. Compared to
spin-polarized electrons, L may allow the transfer of magnetic information with considerably …

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 …

Terahertz (THz) light has proven to be a fine tool to probe and control quasi-particles and
collective excitations in solids, to drive phase transitions and associated changes in material …

This year the discovery of femtosecond demagnetization by laser pulses is 20 years old. For
the first time, this milestone work by Bigot and coworkers gave insight directly into the time …

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

Widespread applications of magnetic devices require an efficient means to manipulate the
local magnetization. One mechanism is the electrical spin-transfer torque associated with …

We report a THz emitter with excellent performances based on nonmagnetic (NM) and
ferromagnetic (FM) heterostructures. The spin currents are first excited by the femtosecond …

A material's magnetic state and its dynamics are of great fundamental research interest and
are also at the core of a wide plethora of modern technologies. However, reliable access to …