(Invited) Germanium/Silicon Heterostructures for Terahertz Emission

(Si)GeSn nanostructures for light emitters ⬇️

A QCL model with integrated thermal and stark rollover mechanisms ⬇️

article

A microscopic model of electron transport in quantum dot infrared photodetectors

A physical model of quantum cascade lasers: Application to GaAs, GaN and SiGe devices ⬇️

A quantum transport model for the double-barrier nonmagnetic spin filter

Active glass waveguide amplifier on GaAs by UV-pulsed laser deposition and femtosecond laser inscription

Band engineering and growth of tensile strained Ge/(Si)GeSn heterostructures for tunnel field effect transistors ⬇️

article

Band structure calculations of Si–Ge–Sn alloys: achieving direct band gap materials ⬇️

Bound states in continuum: Quantum dots in a quantum well ⬇️

article by Nikola Prodanović et al published November 2013 in Physics Letters

Charge Carrier Transport in Quantum Cascade Lasers in Strong Magnetic Field

Coherent transport description of the dual-wavelength ambipolar terahertz 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

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

Density matrix theory of transport and gain in quantum cascade lasers in a magnetic field

article

Dependence of Threshold Current Density on the Waveguide Ridge Width in Quantum-Cascade Lasers

Dependence of saturation effects on electron confinement and injector doping in GaAs∕Al0.45Ga0.55As quantum-cascade lasers

Design Considerations for Nonmagnetic Semiconductor-Based Spin Filters

Design and performance of a prototype mesa-geometry Ge-on-Si single-photon avalanche diode detector at 1310 nm and 1550 nm wavelengths

Design and simulation of InGaAs∕AlAsSb quantum-cascade lasers for short wavelength emission ⬇️

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 ⬇️

Design of a ZnMnSe∕ZnMgSe spin-polarized terahertz quantum cascade laser tunable by magnetic field

Design of a high-speed germanium-tin absorption modulator at mid-infrared wavelengths ⬇️

scholarly article published August 2017

Designing strain-balanced GaN/AlGaN quantum well structures: Application to intersubband devices at 1.3 and 1.55 μm wavelengths ⬇️

Designs for λ=1.55 µm GaN-Based Intersubband Laser Active Region

Development of quantum cascade laser simulation software

article

Digitally graded GaAs/Al0.44Ga0.56As quantum-cascade laser

Digitally graded active region for optically pumped intersubband lasers and nonlinear wavelength convertors

Dilute magnetic semiconductor quantum-well structures for magnetic field tunable far-infrared/terahertz absorption ⬇️

Direct Bandgap Group IV Epitaxy on Si for Laser Applications ⬇️

Direct bandgap GeSn alloys for laser application ⬇️

Direct bandgap GeSn light emitting diodes for short-wave infrared applications grown on Si ⬇️

Direct bandgap GeSn microdisk lasers at 2.5 μm for monolithic integration on Si-platform ⬇️

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

article

Electric field domains in p-Si/SiGe quantum cascade structures ⬇️

Electron Transport and Terahertz Gain in Quantum-Dot Cascades

Electron transport in n-doped Si/SiGe quantum cascade structures ⬇️

Electron transport in quantum cascade lasers in a magnetic field

scholarly article in Physical Review B, vol. 73 no. 7, February 2006

Electron-LO phonon and electron-photon interactions analogy in semiconductor quantum dots

Electron-phonon relaxation rates and optical gain in a quantum cascade laser in a magnetic field ⬇️

Electronic Raman scattering from intersubband transitions in GaN/AlGaN quantum wells

Electronic properties calculation of Ge1−x−ySixSny ternary alloy and nanostructure

Electronic properties of PbS(111) twin boundaries and twinning superlattices

article by Zoran Ikonić et al published June 1995 in Superlattices and Microstructures

Electronic states and intraband terahertz optical transitions in InGaAs quantum rods

Electronic structure and optical properties of Sn and SnGe quantum dots ⬇️

Electronic structure and optical transitions in Sn and SnGe quantum dots in a Si matrix ⬇️

Electronic structure of (Si)GeSn and its tuning via incorporation of carbon ⬇️

Electronic structure of AgBr(111) twin boundaries

Electronic structure of twinning superlattices

Epitaxy and photoluminescence studies of high quality GeSn heterostructures with Sn concentrations up to 13 at.% ⬇️

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

article

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

Finite-difference calculation of the electronic structure of artificial graphene, the 2D hexagonal Al w Ga 1−w As/GaAs structure with tunable interactions ⬇️

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

Gain optimization in optically pumped AlGaAs unipolar quantum-well lasers ⬇️

Gain-maximized GaAs/AlGaAs quantum-cascade laser with digitally graded active region

Ge-on-Si Single-Photon Avalanche Diode Detectors: Design, Modeling, Fabrication, and Characterization at Wavelengths 1310 and 1550 nm ⬇️

GeSn lasers for CMOS integration ⬇️

GeSn lasers for monolithic integration on Si

GeSn/SiGeSn Heterostructure and Multi Quantum Well Lasers ⬇️

Genetic algorithm applied to the optimization of quantum cascade lasers with second harmonic generation ⬇️

High Sn-Content GeSn Light Emitters for Silicon Photonics

Impact of tensile strain on low Sn content GeSn lasing

scientific article published in Scientific Reports

Importance of Polaronic Effects for Charge Transport in CdSe Quantum Dot Solids. ⬇️

scientific article published on 31 March 2014

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

article

Influence of absorber layer dopants on performance of Ge/Si single photon avalanche diodes ⬇️

Influence of doping density on electron dynamics in GaAs∕AlGaAs quantum cascade lasers

article

Influence of injector doping density and electron confinement on the properties of GaAs/Al0.45Ga0.55As quantum cascade lasers

Influence of leakage current on temperature performance of GaAs/AlGaAs quantum cascade lasers

Inter-Landau Level Scattering Processes in Magnetic Field Assisted THz Quantum Cascade Laser

Intersubband absorption at λ∼1.3 μm in optimized GaN/AlGaN Bragg-confined structures

article published in 2002

Intersubband absorption line broadening in In0.53Ga0.47As/In0.52Al0.48As quantum wells: A pseudopotential calculation

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

scientific article

Intervalley Scattering and the Role of Indirect Band Gap AlAs Barriers: Application to GaAs/AlGaAs Quantum Cascade Lasers

Intervalley scattering in GaAs/AlGaAs quantum wells and quantum cascade lasers

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

Interwell relaxation times inp−Si∕SiGeasymmetric quantum well structures: Role of interface roughness ⬇️

scholarly article in Physical Review B, vol. 75 no. 4, January 2007

Intraband absorption in InAs/GaAs quantum dot infrared photodetectors—effective mass versus k × p modelling

Investigation of Thermal Effects in Quantum-Cascade Lasers ⬇️

Investigation of carrier confinement in direct bandgap GeSn/SiGeSn 2D and 0D heterostructures ⬇️

scientific article published in Scientific Reports

Lasing in direct-bandgap GeSn alloy grown on Si ⬇️

Lasing in spin-polarized terahertz quantum cascade structures

Laterally pumped GaAs/AlGaAs quantum wells as sources of broadband terahertz radiation ⬇️

Low lying conduction states in (GaAs)n(AlAs)n superlattices

Low-voltage broad-band electroabsorption from thin Ge/SiGe quantum wells epitaxially grown on silicon.

scientific article published in January 2013

Magnetic field effects on THz quantum cascade laser: A comparative analysis of three and four quantum well based active region design ⬇️

Magnetic-field tunable terahertz quantum well infrared photodetector ⬇️

Magnetotunneling in resonant tunneling structures with spin − orbit interaction

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

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

Mechanisms of dynamic range limitations in GaAs∕AlGaAs quantum-cascade lasers: Influence of injector doping

article published in 2005

Mechanisms of temperature performance degradation in 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

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

scientific article

Negative differential resistance in direct bandgap GeSn p-i-n structures ⬇️

Nonparabolicity effects and the spin–split electron dwell time in symmetric III–V double-barrier structures ⬇️

Numerical rate equation modelling of a 1.61 μm pumped ~2 μm Tm3+-doped tellurite fibre laser

On the coherence/incoherence of electron transport in semiconductor heterostructure optoelectronic devices ⬇️

On the incoherence of quantum transport in semiconductor heterostructure optoelectronic devices

scientific article

On the interdiffusion-based quantum cascade laser ⬇️

Optical Transitions in Direct-Bandgap Ge1–xSnx Alloys

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 ⬇️

Optically Pumped GeSn Microdisk Lasers on Si ⬇️

Optically pumped intersublevel MidInfrared lasers based on InAs-GaAs quantum dots

Optically pumped terahertz laser based on intersubband transitions in a GaN∕AlGaN double quantum well ⬇️

Optimal design of gan-algan bragg-confined structures for intersubband absorption in the near-infrared spectral range ⬇️

Optimization of Intersubband Optical Nonlinearities in Continually Graded AlGaN Quantum Well Structures

article published in 2004

Optimizing optical nonlinearities in GaInAs/AlInAs quantum cascade lasers ⬇️

Origin of detection wavelength tuning in quantum dots-in-a-well infrared photodetectors

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

scientific article

Phase-breaking effects in double-barrier resonant tunneling diodes with spin-orbit interaction

Physical Model and Scattering Dynamics Engineering for Intersubband Lasers and Photodetectors

Physical model of quantum-well infrared photodetectors ⬇️

Polarization-entangled mid-infrared photon generation inp-doped semiconductor quantum wells ⬇️

Process modules for GeSn nanoelectronics with high Sn-contents ⬇️

Progress in Development of the Resonant Tunneling Diodes as Promising Compact Sources at the THz Gap Bottom

article

Quantum Cascade Laser Design for Tunable Output at Characteristic Wavelengths in the Mid-Infrared Spectral Range

Quantum Dots as Sources and Detectors οf Mid- and Far-Infrared Radiation: Theoretical Models

Quantum confinement effects in GeSn/SiGeSn heterostructure lasers ⬇️

Quantum transport in semiconductor quantum dot superlattices: Electron-phonon resonances and polaron effects

scholarly article in Physical Review B, vol. 76 no. 24, December 2007

Quantum-well profile optimization for maximal Stark effect and application to tunable infrared photodetectors

Relationship between carrier dynamics and temperature in terahertz quantum cascade structures: simulation of GaAs/AlGaAs, SiGe/Si and GaN/AlGaN devices

article

Relationship between electron-LO phonon and electron-light interaction in quantum dots

scholarly article in Physical Review B, vol. 85 no. 19, May 2012

Room temperature operation of AlGaN/GaN quantum well infrared photodetectors at a 3–4 µm wavelength range

Saturation of intersubband transitions in p-doped GaAs∕AlGaAs quantum wells ⬇️

Second harmonic generation at the quantum-interference induced transparency in semiconductor quantum wells: the influence of permanent dipole moments ⬇️

Self-consistent energy balance simulations of hole dynamics in SiGe∕SiTHz quantum cascade structures

article

Self-consistent scattering model of carrier dynamics in GaAs-AlGaAs terahertz quantum-cascade lasers ⬇️

Self-consistent scattering theory of transport and output characteristics of quantum cascade lasers ⬇️

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

Short-wave infrared LEDs from GeSn/SiGeSn multiple quantum wells ⬇️

Si-Ge-Sn heterostructures: Growth and applications ⬇️

Si/SiGe Bound-to-Continuum Quantum Cascade Emitters

scholarly article published 2008

SiGeSn Ternaries for Efficient Group IV Heterostructure Light Emitters ⬇️

scientific article published on 3 February 2017

SiGeSn growth studies using reduced pressure chemical vapor deposition towards optoelectronic applications ⬇️

Silicon based plasmonic coupler.

scientific article published in September 2012

Silicon optical modulators for high data rate applications

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

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

Simulation and design of GaN/AlGaN far-infrared (λ∼34 μm) quantum-cascade laser

Single-band envelope-function model in the full Brillouin zone for electronic structure calculation in semiconductor nanostructures

SnGe Asymmetric Quantum Well Electroabsorption Modulators for Long-Wave Silicon Photonics

Spin Precession of Quasi-Bound States in Heterostructures with Spin-Orbit Interaction

Spin-dependent dwell times of electron tunneling through double- and triple-barrier structures

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

Surface acoustic wave modulation of quantum cascade lasers ⬇️

Surface plasmon waveguides with gradually doped or NiAl intermetallic compound buried contact for terahertz quantum cascade lasers ⬇️

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

scientific article

Symmetry based calculation of electronic structure and intraband absorption in GaN/AlN hexagonal quantum dot superlattices

Symmetry ofk∙pHamiltonian in pyramidalInAs∕GaAsquantum dots: Application to the calculation of electronic structure ⬇️

scholarly article in Physical Review B, vol. 72 no. 7, August 2005

Symmetry-based calculation of single-particle states and intraband absorption in hexagonal GaN/AlN quantum dot superlattices

article published in 2006

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

article published in 2017

Tensely strained GeSn alloys as optical gain media ⬇️

Terahertz ambipolar dual-wavelength quantum cascade laser

scientific article

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

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

scientific article

Terahertz quantum cascade laser bandwidth prediction ⬇️

Terahertz sensing and imaging using a quantum cascade laser ⬇️

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

The role of temperature in quantum-cascade laser waveguides

Theoretical modelling of InGaAs quantum rods: Terahertz intraband absorption and its dependence on rod height

article by N Prodanović et al published 1 July 2010 in Journal of Physics: Conference Series

Theoretical modelling of electron transport in InAs/GaAs quantum dot superlattices

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

Thermal Modeling of Terahertz Quantum-Cascade Lasers: Comparison of Optical Waveguides ⬇️

Thermal analysis of mid-infrared quantum-cascade lasers ⬇️

Thermal effects in InGaAs/AlAsSb quantum-cascade lasers ⬇️

Time Delay in Thin Slabs with Kerr-Type Nonlinearity

Time delay in thin slabs with self-focusing Kerr-type nonlinearity ⬇️

Towards automated design of quantum cascade lasers ⬇️

Twinning superlattices

Undertaking research in the field of silicon optical modulators in the framework of the Helios and UK silicon photonics projects

Wide wavelength tuning of GaAs∕AlxGa1−xAs bound-to-continuum quantum cascade lasers by aluminum content control

scholarly article by J. Heinrich et al published 7 April 2008 in Applied Physics Letters

n-Si/SiGe quantum cascade structures for THz emission ⬇️