(Invited) Germanium/Silicon Heterostructures for Terahertz Emission

3.5 THz dual feedhorn quantum cascade laser a step towards achievng a frequency stable supra-THz heterodyne local oscillator ⬇️

A QCL model with integrated thermal and stark rollover mechanisms ⬇️

article

Active phase-nulling of the self-mixing phase in a terahertz frequency quantum cascade laser ⬇️

scientific article published on March 2015

Author Correction: Ultrafast switch-on dynamics of frequency-tuneable semiconductor lasers ⬇️

scientific article published in Nature Communications

Biomedical applications of terahertz self-mixing interferometry ⬇️

Coherent THz imaging using the self-mixing effect in quantum cascade lasers ⬇️

Coherent three-dimensional terahertz imaging through self-mixing in a quantum cascade laser ⬇️

Coherent vertical electron transport and interface roughness effects in AlGaN/GaN intersubband devices ⬇️

Comparative study of intersubband absorption in AlGaN/GaN and AlInN/GaN superlattices: Impact of material inhomogeneities ⬇️

scholarly article in Physical Review B, vol. 88 no. 23, December 2013

Continuous Frequency Tuning of Y-Branched Terahertz Quantum Cascade Lasers with Photonic Lattice ⬇️

Continuous Frequency Tuning with near Constant Output Power in Coupled Y-Branched Terahertz Quantum Cascade Lasers with Photonic Lattice ⬇️

Corrections to “Mode Selection and Tuning Mechanisms in Coupled-Cavity Terahertz Quantum Cascade Lasers” [Jul/Aug 17 Art. no. 1200312]

Demonstration of a self-mixing displacement sensor based on terahertz quantum cascade lasers

Design considerations for GaN/AlN based unipolar (opto-)electronic devices, and interface quality aspects ⬇️

Design of Ge/SiGe quantum cascade lasers using the density matrix model

Design of Ge/SiGe quantum-confined Stark effect modulators for CMOS compatible photonics ⬇️

Development of Terahertz Frequency Quantum Cascade Lasers for the Applications as Local Oscillators

article

Diffuse-Reflectance Spectroscopy Using a Frequency-Switchable Terahertz Quantum Cascade Laser ⬇️

Discrete Vernier tuning in terahertz quantum cascade lasers using coupled cavities ⬇️

scientific article

Efficient prediction of terahertz quantum cascade laser dynamics from steady-state simulations ⬇️

article

Extended density-matrix model applied to silicon-based terahertz quantum cascade lasers ⬇️

article

Extraction-controlled terahertz frequency quantum cascade lasers with a diagonal LO-phonon extraction and injection stage ⬇️

scientific article

Feedhorn-integrated THz QCL local oscillators for the LOCUS atmospheric sounder ⬇️

Finite difference method for solving the Schrödinger equation with band nonparabolicity in mid-infrared quantum cascade lasers

Frequency Tunability and Spectral Control in Terahertz Quantum Cascade Lasers With Phase-Adjusted Finite-Defect-Site Photonic Lattices ⬇️

Frequency Tuning Range Control in Pulsed Terahertz Quantum-Cascade Lasers: Applications in Interferometry ⬇️

Gas spectroscopy with integrated frequency monitoring through self-mixing in a terahertz quantum-cascade laser ⬇️

High-contrast coherent terahertz imaging of porcine tissue via swept-frequency feedback interferometry ⬇️

scientific article

High-speed modulation of a terahertz quantum cascade laser by coherent acoustic phonon pulses

scientific article published on 11 February 2020

Infinite-Period Density-Matrix Model for Terahertz-Frequency Quantum Cascade Lasers ⬇️

article

Intersubband carrier scattering in n - and p − Si ∕ Si Ge quantum wells with diffuse interfaces ⬇️

scientific article

Intervalley splitting and intersubband transitions inn-typeSi∕SiGequantum wells: Pseudopotential vs. effective mass calculation ⬇️

scholarly article in Physical Review B, vol. 75 no. 20, May 2007

Laser Feedback Interferometry as a Tool for Analysis of Granular Materials at Terahertz Frequencies: Towards Imaging and Identification of Plastic Explosives ⬇️

scientific article

Material configurations forn-type silicon-based terahertz quantum cascade lasers ⬇️

scholarly article in Physical Review B, vol. 83 no. 19, May 2011

Mechanically robust waveguide-integration and beam shaping of terahertz quantum cascade lasers

Mid-infrared entangled photon generation in optimised asymmetric semiconductor quantum wells ⬇️

article by R. Razali et al published February 2016 in Superlattices and Microstructures

Mode Selection and Tuning Mechanisms in Coupled-Cavity Terahertz Quantum Cascade Lasers ⬇️

Model for a pulsed terahertz quantum cascade laser under optical feedback ⬇️

scientific article

Multi-spectral terahertz sensing: proposal for a coupled-cavity quantum cascade laser based optical feedback interferometer ⬇️

scientific article

Numerical aspects of the development of Quantum Cascade Laser simulation software

Optical absorption in highly strained Ge/SiGe quantum wells: The role of Γ→Δ scattering ⬇️

Optical feedback effects on terahertz quantum cascade lasers: modelling and applications ⬇️

Origin of terminal voltage variations due to self-mixing in terahertz frequency quantum cascade lasers ⬇️

scientific article

Phase locking of a 2.5 THz quantum cascade laser to a microwave reference using THz Schottky mixer ⬇️

Quasi-continuous frequency tunable terahertz quantum cascade lasers with coupled cavity and integrated photonic lattice ⬇️

scientific article

Recent progress in the Elegant Breadboard supra-THz activities for LOCUS and a view to an astronomy application ⬇️

article

Resonant-phonon depopulation terahertz quantum cascade lasers and their application in spectroscopic imaging ⬇️

article published in 2012

Self-Mixing Interferometry With Terahertz Quantum Cascade Lasers ⬇️

Self-mixing effect in THz quantum cascade lasers: Applications in sensing and imaging

Self-mixing signals in terahertz lasers

Silver-based surface plasmon waveguide for terahertz quantum cascade lasers ⬇️

Simulated [111] Si–SiGe terahertz quantum cascade laser ⬇️

Simulated effect of epitaxial growth variations on THz emission of SiGe/Ge quantum cascade structures

Spectroscopic analysis of powders through diffuse-reflectance imaging using a frequency-switchable terahertz quantum cascade laser

Stable perfectly-matched-layer boundary conditions for finite-difference time-domain simulation of acoustic waves in piezoelectric crystals ⬇️

Substrate orientation and alloy composition effects in n-type SiGe quantum cascade structures ⬇️

article

Swept-frequency feedback interferometry using terahertz frequency QCLs: a method for imaging and materials analysis ⬇️

scientific article

THz QCL self-mixing interferometry for biomedical applications ⬇️

Temperature-Dependent High-Speed Dynamics of Terahertz Quantum Cascade Lasers ⬇️

article published in 2017

Terahertz frequency quantum cascade lasers for use as waveguide-integrated local oscillators

Terahertz frequency quantum cascade lasers: Optical feedback effects and applications ⬇️

Terahertz imaging through self-mixing in a quantum cascade laser ⬇️

scientific article

Terahertz imaging using quantum cascade lasers—a review of systems and applications ⬇️

article

Terahertz inverse synthetic aperture radar imaging using self-mixing interferometry with a quantum cascade laser ⬇️

scientific article

Terahertz quantum cascade laser bandwidth prediction ⬇️

Terahertz quantum cascade lasers with >1 W output powers ⬇️

Terahertz quantum cascade lasers with thin resonant-phonon depopulation active regions and surface-plasmon waveguides ⬇️

article published in 2013

Terahertz radar cross-section characterisation using laser feedback interferometry with quantum cascade laser ⬇️

Terahertz sensing and imaging using a quantum cascade laser ⬇️

The Development of a Semtex-H Simulant for Terahertz Spectroscopy ⬇️

article

The importance of electron temperature in silicon-based terahertz quantum cascade lasers ⬇️

Theory and design of quantum cascade lasers in (111)n-type Si/SiGe ⬇️

article by Alexander Valavanis et al published 11 July 2008 in Physical Review B

Three-dimensional terahertz imaging using swept-frequency feedback interferometry with a quantum cascade laser ⬇️

scientific article published on March 2015

Time-resolved measurement of pulse-to-pulse heating effects in a terahertz quantum cascade laser using an NbN superconducting detector ⬇️

scholarly article by Alexander Valavanis et al published 5 August 2013 in Applied Physics Letters

Transient Analysis of THz-QCL Pulses Using NbN and YBCO Superconducting Detectors ⬇️

article

Transient analysis of substrate heating effects in a terahertz quantum cascade laser using an ultrafast NbN superconducting detector

scholarly article published September 2013

Ultra-fast sampling of terahertz pulses from a quantum cascade laser using superconducting antenna-coupled NbN and YBCO detectors ⬇️

scholarly article published September 2012

Ultrafast switch-on dynamics of frequency-tuneable semiconductor lasers ⬇️

scientific article published in Nature Communications

Vertical spinal electronic device with large room temperature magnetoresistance

Vertical spine electronic device with large room temperature magnetoresistance

Waveguide-integrated terahertz-frequency quantum cascade lasers for detection of trace-gas species ⬇️

n-type silicon-germanium based terahertz quantum cascade lasers ⬇️

doctoral thesis by Alexander Valavanis