In this paper, we review the recent progress in broadly tunable single-mode mid-infrared
quantum cascade lasers (QCLs). With a brief introduction on various applications of broadly …

A novel widely tunable laser diode is proposed and demonstrated. Mode selection occurs by
etching perturbing slots into the laser ridge. A two-section device is realized with different …

We report experimental demonstration of tunable, monolithic, single-mode quantum
cascade lasers (QCLs) at∼ 10 μm with a two-section etched slot structure. A single-mode …

We report designs and experimental demonstrations of a widely tunable single-mode
quantum cascade laser array based on slot waveguide structures in the mid-infrared region …

In this paper we report on the characterization of a narrow linewidth three-section tunable
slotted Fabry–Perot laser. The SMSR of the 25 available 100-GHz ITU channels is above …

The design and measured performance characteristics of a range of index-patterned diode
laser sources are presented. These devices incorporate slotted regions etched into the laser …

A two-sectioned quantum dash laser structure based on an InAs/InP chirped active region
medium is investigated as a monolithic broadband tunable laser. A thorough parametric …

In this paper, we present a simple time-domain traveling-wave dynamic model for the
simulation of wavelength tunable three-section slotted Fabry-Perot (3s-SFP) semiconductor …

A widely tunable semiconductor laser based on slotted surface grating is presented. This
regrowth-free tunable semiconductor laser is fabricated by contact i-line lithography rather …

We demonstrate ultra-fast wavelength switching of a narrow linewidth tunable laser. It
enables coherent slot switching with a waiting time comprising laser switching, stabilization …