In the last two decades non-equilibrium spectroscopies have evolved from avant-garde
studies to crucial tools for expanding our understanding of the physics of strongly correlated …

The development of parametric devices down-converting the laser frequency to the mid-
infrared (3–30 µm) based on non-oxide nonlinear optical crystals is reviewed. Such devices …

The emerging field of orbitronics exploits the electron orbital momentum L. Compared to
spin-polarized electrons, L may allow the transfer of magnetic information with considerably …

Extreme nonlinear interactions of THz electromagnetic fields with matter are the next frontier
in nonlinear optics. However, reaching this frontier in free space is limited by the existing …

Terahertz electromagnetic radiation is extremely useful for numerous applications, including
imaging and spectroscopy. It is thus highly desirable to have an efficient table-top emitter …

Ultrafast laser sources operating in the mid-infrared (mid-IR) region, which contains the
characteristic fingerprint spectra of many important molecules and transparent windows of …

Over the past three decades a new spectroscopic technique with unique possibilities has
emerged. Based on coherent and time‐resolved detection of the electric field of ultrashort …

Time-resolved, pulsed terahertz spectroscopy has developed into a powerful tool to study
charge carrier dynamics in semiconductors and semiconductor structures over the past …

Terahertz spectroscopy systems use far-infrared radiation to extract molecular spectral
information in an otherwise inaccessible portion of the electromagnetic spectrum. Materials …

Principles of Terahertz Science and Technology aims to elucidate the fundamentals of THz
technology and science for potential new users. It surveys major techniques of generating …