Turbulences in Frequency Combs

New type of a laser frequency comb could be used for optical spectroscopy and sensing

New Approach for Multi-Watt Terahertz Lasers

Highest radiative efficiency for any single-wavelength semiconductor quantum cascade laser

First Electrically-Driven Topological Laser

Prototype has the ability to route light particles around corners

Ultrafast Data Transfer with Sound and Light

Terahertz quantum cascade lasers could lead to the transmission of data at the rate of 100 gigabits per second

A New Widely Tunable Terahertz Laser

The new concept bases on the excitation of a molecular gas with a quantum cascade laser

New Device for Terahertz Imaging

Hyperspectral imaging with chip-scale frequency combs based on terahertz quantum cascade lasers

Terahertz Lasers Become Hot

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

Frequency Combs for Microchip-Size Chemical Sensors

New technology produces laser frequencies in a much easier and more robust way than before.

Nano-Imaging of 2D Materials

First observation of intersubband transitions in 2D materials via scattering scanning near-field optical microscopy

Data Transmission With Laser Frequency Combs

Discovery has the potential of increasing the capacity of wireless communications