High-power portable terahertz laser systems
Terahertz (THz) frequencies remain among the least utilized in the electromagnetic
spectrum, largely due to the lack of powerful and compact sources. The invention of THz …
spectrum, largely due to the lack of powerful and compact sources. The invention of THz …
Development of semiconducting ScN
Since the 1960s advances in electronic and optoelectronic device technologies have been
primarily orchestrated by III-V semiconductors, which have led to an age of consumer …
primarily orchestrated by III-V semiconductors, which have led to an age of consumer …
[HTML][HTML] Enhanced operating temperature in terahertz quantum cascade lasers based on direct phonon depopulation
Room temperature operation of terahertz quantum cascade lasers (THz QCLs) has been a
long-pursued goal to realize compact semiconductor THz sources. In this paper, we report …
long-pursued goal to realize compact semiconductor THz sources. In this paper, we report …
Nonequilibrium Green's function theory for transport and gain properties of quantum cascade structures
SC Lee, A Wacker - Physical Review B, 2002 - APS
The transport and gain properties of quantum cascade (QC) structures are investigated
using a nonequilibrium Green's function (NGF) theory which includes quantum effects …
using a nonequilibrium Green's function (NGF) theory which includes quantum effects …
Quantum cascade lasers
SEMICONDUCTOR lasers are widely used in modern life. In telecommunications they send
signals for thousands of kilometres along optical fibres. In consumer electronics …
signals for thousands of kilometres along optical fibres. In consumer electronics …
Temperature sensitivity of the electro-optical characteristics for mid-infrared (λ= 3–16 μm)-emitting quantum cascade lasers
The temperature dependences of the threshold current and slope efficiency, as represented
by their respective characteristic temperature coefficients T 0 and T 1, are discussed for …
by their respective characteristic temperature coefficients T 0 and T 1, are discussed for …
Impact of optical device parameters on the performance characteristics of temperature dependent quantum cascade lasers
AHM Almawgani, BR Reddy, T Alsuwian… - Optical and Quantum …, 2023 - Springer
Abstract Temperature dependent Quantum Cascade Lasers are known for their advantages
when compared to conventional lasers. In this work, we will focus on their temperature …
when compared to conventional lasers. In this work, we will focus on their temperature …
Accuracy of transfer matrix approaches for solving the effective mass Schrödinger equation
C Jirauschek - IEEE Journal of Quantum Electronics, 2009 - ieeexplore.ieee.org
The accuracy of different transfer matrix approaches, widely used to solve the stationary
effective mass Schrodinger equation for arbitrary one-dimensional potentials, is investigated …
effective mass Schrodinger equation for arbitrary one-dimensional potentials, is investigated …
Self-consistent scattering theory of transport and output characteristics of quantum cascade lasers
D Ind**, P Harrison, RW Kelsall, Z Ikonić - Journal of Applied Physics, 2002 - pubs.aip.org
A considerable advance has recently been made in the development and optimization of
quantum cascade lasers (QCLs). 1, 2 In these complex multilayer structures coherent …
quantum cascade lasers (QCLs). 1, 2 In these complex multilayer structures coherent …
The physics of mid-infrared semiconductor materials and heterostructures
This chapter reviews the fundamental physics and associated limitations of semiconductor
lasers operating across the mid-infrared (MIR) range of 2–20 μm. Using a combination of …
lasers operating across the mid-infrared (MIR) range of 2–20 μm. Using a combination of …