New Trick for Infrared Laser Pulses

New approach to create strong, short pulses with tailor-made quantum cascade lasers

Breaking the Power Limit of Lasers

A new VCSEL-design aims to enhance slow-light optical feedback, thus extending the temporal laser bandwidth

Graphene Controls Laser Frequency Combs

Chance for a new platform at the interface of single atomic layer optoelectronics and ultrafast photonics

A High-Power, Portable Terahertz Laser

The new terahertz quantum cascade laser can function at temperatures of up to 250 K

QCLs Exhibit Extreme Pulses

Extreme events in quantum cascade lasers enable an optical neuron system many times faster than biological neurons

Converting IR into Visible Colors

Nonlinear nanophotonics transform light from near-infrared lasers to visible wavelengths

Tuning Lasers Towards IR

Large wavelength tunability can be achieved with a hollow-core fiber filled with nitrogen

Parity-Time Symmetry in a Single Spatial Resonator

Technology opens new avenues for the implementation of non-Hermitian photonic systems

An Ultrafast Yellow Laser for Biomedical Applications

Frequency conversion to create a more practical, high-power femtosecond yellow laser

Prototype of a Solar-Driven Laser

A fully planar device converts sunlight into a laser beam, which can efficiently power hydrogen fuel generators