Vertical-external-cavity surface-emitting lasers (VECSELs) are the most versatile laser
sources, combining unique features such as wide spectral coverage, ultrashort pulse …

The mid-infrared (mid-IR) is a wavelength range with a variety of technologically vital
applications in molecular sensing, security and defense, energy conservation, and …

Mid‐infrared (MIR) semiconductor laser sources are essential for applications in gas
detection, infrared imaging, and high‐speed free space optical communications. At present …

The mid-infrared (MIR) wavelength range of the electromagnetic spectrum offers a number
of applications of growing importance such as photonic sensors for environment, industry or …

PbTe-based compounds are excellent candidates for the different types of optical detector
applications from near to far IR ranges. In the present work, a technology has been …

Since its invention and demonstration in 1960, several types of laser have been developed,
such as solid-state, semiconductor, gas, excimer, and dye lasers [1]. Today, lasers are used …

Due to their widely tunable bandgap, HgCdTe heterostructures with quantum wells are a
promising material system for semiconductor lasers in the entire mid-infrared range …

Molecular beam epitaxy of IVeVI semiconductors has long been used both for fabrication of
low-dimensional structures [1e4] and infrared optoelectronic devices [5e11]. The …

Mid-infrared vertical external cavity surface emitting lasers (VECSELs) emitting above 1 W
output power in pulsed mode and up to 17 mW in continuous mode at− 172 C were realized …

A tunable PbTe based mid-infrared vertical external cavity surface emitting laser is
described. The active part is a∼ 1 μ m thick PbTe layer grown epitaxially on a Bragg mirror …