Graphene, related two-dimensional crystals and hybrid systems showcase several key
properties that can address emerging needs in electronics and optoelectronics, in particular …

Terahertz waves spanning over the 0.1 to 10 THz region of the electromagnetic spectrum
have attracted significant attention owing to a variety of potential applications such as short …

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 …

Terahertz (THz) waves have exhibited promising prospects in 6G/7G communications,
sensing, nondestructive detection, material modulation, and biomedical applications. With …

In research and engineering, short laser pulses are fundamental for metrology and
communication. The generation of pulses by passive mode-locking is especially desirable …

Broadband metrological‐grade frequency comb (FC) synthesizers with a rich number of
phase locked modes are the ideal sources for quantum sensing and quantum metrology. At …

We report on room temperature detection of terahertz radiation by means of antenna-
coupled field effect transistors (FETs) fabricated using epitaxial graphene grown on silicon …

Mode locking, the self‐starting synchronous oscillation of electromagnetic modes in a laser
cavity, is the primary way to generate ultrashort light pulses. In random lasers, without a …

Harmonic generation is a result of a strong non-linear interaction between light and matter. It
is a key technology for optics, as it allows the conversion of optical signals to higher …

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