Interaction of intense terahertz (THz) waves with graphene based modulation devices holds
great potential for the optoelectronic applications of the future. Here, we present a thin film …

Saturable absorbers (SA) operating at terahertz (THz) frequencies can open new frontiers in
the development of passively mode-locked THz micro-sources. Here we report the …

We report nonlinear terahertz (THz) effects in monolayer graphene, giving rise to
transmission enhancement of a single-cycle THz pulse when the incident THz peak electric …

Multi-band terahertz (THz) absorbers have recently gained attention due to their favorable
application prospects in communication, imaging, detection, and other fields. However …

We investigated the room-temperature Terahertz (THz) response as saturable absorber of
turbostratic multilayer graphene grown on the carbon-face of silicon carbide. By employing …

As an exceptional nonlinear material, graphene offers versatile appealing properties, such
as electro-optic tunability and high electromagnetic field confinement in the terahertz regime …

We present an experimental demonstration and interpretation of an ultrafast optically
tunable, graphene-based thin film absorption modulator for operation in the THz regime. The …

Photo‐excited graphene has a positive (semiconductor‐like) or negative (metal‐like)
response depending on the Fermi level, which is tuned by gate control, doping, and growth …

We present a high-performance functional perfect absorber in a wide range of terahertz
(THz) wave based on a hybrid structure of graphene and vanadium dioxide (VO_2) …

Graphene is a nonlinear material in the terahertz (THz) frequency range, with χ (3)∼ 10–9
m2/V2∼ 15 orders of magnitude higher than that of other materials used in the THz range …