(Invited) Germanium/Silicon Heterostructures for Terahertz Emission

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

Adiabatic mode coupling between SiGe photonic devices and SOI waveguides.

scientific article published in December 2012

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

article

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 ⬇️

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

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

Electron temperature and mechanisms of hot carrier generation in quantum cascade lasers ⬇️

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

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

article

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 ⬇️

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

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

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

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

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

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

Mechanisms of carrier transport and temperature performance evaluation in terahertz quantum cascade lasers

Mechanisms of temperature performance degradation in terahertz quantum-cascade lasers

Modulation of the absorption coefficient at 1.3 μm in Ge/SiGe multiple quantum well heterostructures on silicon.

scientific article published in November 2011

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

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

Physical Model and Scattering Dynamics Engineering for Intersubband Lasers and Photodetectors

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

article

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 ⬇️

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

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

Strain-engineering in Germanium membranes towards light sources on Silicon ⬇️

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

article

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

Terahertz ambipolar dual-wavelength quantum cascade laser

scientific 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

Towards automated design of quantum cascade lasers ⬇️

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

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