Terahertz Lasers Become Hot

First realization of a terahertz quantum cascade laser operating without cryogenic cooling

Exotic Electron Liquid for Terahertz Detection

An electron-hole liquid may offer a path to room-temperature optoelectronic devices that harness collective electronic phenomena

Terahertz Laser for Sensing and Imaging

High-power, tunable design could be used for chemical detection in outer space and medical imaging

Terahertz Pulses Amplify Optical Phonons

Analogies between phonons and photons pave the way for phononic devices

Synchrotron Radiation in a Crystal

A new device accommodates speed along circular paths producing terahertz radiation

Shaping Electron Bunches with Terahertz Light Pulses

Specifically-shaped electron pulses for materials studies in the femtosecond and attosecond range

New Insight into How Semiconductor Lasers Work

Coherent terahertz measurements of the ultrafast switch-on dynamics of the laser emission

Shaping of Terahertz Beams

3D-printing opens up a new way of constructing affordable custom terahertz components

Femtosecond Optics for Faster Chips

New nano-antennas to be integrated into terahertz, optoelectronik circuits

Phototunable Metasurfaces

Metal-free metamaterial can be swiftly tuned to create changing electromagnetic effects