While free electrons in metals respond to ultrafast excitation with refractive index changes on
femtosecond time scales, typical relaxation mechanisms occur over several picoseconds …

All-optical modulation is an entangled part of ultrafast nonlinear optics with promising
impacts on tunable optical devices in the future. Current advancements in all-optical control …

The light-induced selective population of short-lived far-from-equilibrium vibration modes is
a promising approach for controlling ultrafast and irreversible structural changes in …

Realizing remarkable tunability in optical properties without sacrificing speed is critical to
obtain all optical ultrafast devices. In this work, we investigate the ultrafast temporal behavior …

Incorporating active materials into metamaterials is expected to yield exciting advancements
in the unprecedented versatility of dynamically controlling optical properties, which sheds …

The optical Kerr nonlinearity of plasmonic metals provides enticing prospects for developing
reconfigurable and ultracompact all‐optical modulators. In nanostructured metals, the …

Non-thermalized electrons in metals, featured by deviation from the Fermi-Dirac distribution,
have recently shown potential to facilitate realization of ultrafast photonic devices such as all …

Ultrafast optical switching in plasmonic platforms relies on the third‐order Kerr nonlinearity,
which is tightly linked to the dynamics of hot carriers in nanostructured metals. Although …

Ultrafast nanophotonics is an emerging research field aimed at the development of
nanodevices capable of light modulation with unprecedented speed,,–. A promising …

Ultrafast photoinduced phase transitions could revolutionize data-storage and
telecommunications technologies by modulating signals in integrated nanocircuits at …