Six years after their birth, terahertz quantum-cascade lasers can now deliver milliwatts or
more of continuous-wave coherent radiation throughout the terahertz range—the spectral …

Terahertz irradiation and sensing is being applied for the first time to a wide range of fields
outside the traditional niches of space science, molecular line spectroscopy, and plasma …

The terahertz (THz) frequency quantum cascade laser (QCL) is a compact source of THz
radiation offering high power, high spectral purity and moderate tunability. As such, these …

Terahertz quantum cascade lasers are compact, electrically pumped semiconductor laser
sources that are capable of delivering tens of milliwatts of power in continuous wave. Here …

Quantum cascade lasers, can be considered the primary achievement of electronic band
structure engineering, showing how artificial materials can be created through quantum …

Quantum cascade lasers (QCLs) represent the most fascinating achievement of quantum
engineering, showing how artificial materials can be generated through quantum design …

Mode-locked femtosecond lasers have revolutionized the field of optical metrology by
allowing the realization of ultra-stable phase-coherent links between the optical-frequency …

We report the first demonstration of an all solid-state heterodyne receiver that can be used
for high-resolution spectroscopy above 2 THz suitable for space-based observatories. The …

A quartz enhanced photo-acoustic sensor employing a single-mode quantum cascade laser
emitting at 3.93 Terahertz (THz) is reported. A custom tuning fork with a 1 mm spatial …

Terahertz quantum cascade lasers have been investigated with respect to their performance
as a local oscillator in a heterodyne receiver. The beam profile has been measured and …