Terahertz radiation has become an important diagnostic tool in the development of new
technologies. However, the diffraction limit prevents terahertz radiation (λ≈ 0.01–3 mm) …

Infrared and optical spectroscopy represents one of the most informative methods in
advanced materials research. As an important branch of modern optical techniques that has …

Designing next-generation light-harvesting devices requires a detailed understanding of the
transport of photoexcited charge carriers. The record-breaking efficiencies of metal halide …

Tunnelling is one of the most fundamental manifestations of quantum mechanics. The recent
advent of lightwave-driven scanning tunnelling microscopy has revolutionized ultrafast …

While near-field infrared nanospectroscopy provides a powerful tool for nanoscale material
characterization, broadband nanospectroscopy of elementary material excitations in the …

The density-driven transition of an exciton gas into an electron–hole plasma remains a
compelling question in condensed matter physics. In two-dimensional transition metal …

The first isolation of graphene opens the avenue for new platforms for physics, electronic
engineering, and materials sciences. Among several kinds of synthesis approaches …

Terahertz (THz) biological imaging has attracted intense attention due to its capability of
acquiring physicochemical information in a label‐free, noninvasive, and nonionizing …

Terahertz (THz) near-field microscopy retains the advantages of THz radiation and realizes
sub-wavelength imaging, which enables applications in fundamental research and industrial …

Scattering-type scanning near-field microscopy (s-SNOM) at terahertz (THz) frequencies
could become a highly valuable tool for studying a variety of phenomena of both …