In this roadmap article, we have focused on the most recent advances in terahertz (THz)
imaging with particular attention paid to the optimization and miniaturization of the THz …

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

Near-field imaging techniques, at terahertz frequencies (1–10 THz), conventionally rely on
bulky laser sources and detectors. Here, we employ a semiconductor heterostructure laser …

The underlying physics behind an experimental observation often lacks a simple analytical
description. This is especially the case for scanning probe microscopy techniques, where …

Low-dimensional materials (LDMs) with unique electromagnetic properties and diverse local
phenomena have garnered significant interest, particularly for their low-energy responses …

One-dimensional nanostructures commonly refer to nanomaterials with a large length-to-
diameter ratio, such as nanowires, nanotubes, nanorods, and nanopillars. The nanoscale …

The ability to perform nanometer‐scale optical imaging and spectroscopy is key to
deciphering the low‐energy effects in quantum materials, as well as vibrational fingerprints …

We demonstrate the successful implementation of a terahertz (THz) quantum-well
photodetector (QWP) for effective signal collection in a scattering-type scanning near-field …

Researchers from a broad spectrum of scientific and engineering disciplines are
increasingly using scattering‐type near‐field infrared spectroscopic techniques to …

Terahertz (THz) radiation is a valuable tool to investigate the electronic properties of lead
halide perovskites (LHPs). However, attaining high-resolution information remains elusive …