[HTML][HTML] Monolithic infrared silicon photonics: The rise of (Si) GeSn semiconductors

O Moutanabbir, S Assali, X Gong, E O'Reilly… - Applied Physics …, 2021 - pubs.aip.org
(Si) GeSn semiconductors are finally coming of age after a long gestation period. The
demonstration of device-quality epi-layers and quantum-engineered heterostructures has …

GeSn lasers covering a wide wavelength range thanks to uniaxial tensile strain

J Chrétien, N Pauc, F Armand Pilon, M Bertrand… - Acs …, 2019 - ACS Publications
Silicon photonics continues to progress tremendously, both in near-infrared
datacom/telecoms and in mid-IR optical sensing, despite the fact a monolithically integrated …

Advances in GeSn alloys for MIR applications

V Reboud, O Concepción, W Du, M El Kurdi… - Photonics and …, 2024 - Elsevier
Silicon photonics is widely used for near InfraRed (IR) applications up to 1.6 µm. It plays a
key role in short-range optical data communications. However, silicon photonics does not …

All‐Group IV Transferable Membrane Mid‐Infrared Photodetectors

MRM Atalla, S Assali, A Attiaoui… - Advanced Functional …, 2021 - Wiley Online Library
Semiconductor membranes emerged as a versatile class of nanomaterials to control lattice
strain and engineer complex heterostructures enabling a variety of innovative applications …

[HTML][HTML] Review of Ge (GeSn) and InGaAs avalanche diodes operating in the SWIR spectral region

Y Miao, H Lin, B Li, T Dong, C He, J Du, X Zhao, Z Zhou… - Nanomaterials, 2023 - mdpi.com
Among photodetectors, avalanche photodiodes (APDs) have an important place due to their
excellent sensitivity to light. APDs transform photons into electrons and then multiply the …

Progress on germanium–tin nanoscale alloys

J Doherty, S Biswas, E Galluccio… - Chemistry of …, 2020 - ACS Publications
Group IV alloys have attracted interest in the drive to create Si compatible, direct band gap
materials for implementation in complementary metal oxide semiconductor (CMOS) and …

Continuous-wave GeSn light-emitting diodes on silicon with 2.5 μm room-temperature emission

MRM Atalla, S Assali, G Daligou, A Attiaoui… - ACS …, 2024 - ACS Publications
Silicon-compatible short-and midwave infrared emitters are highly sought after for on-chip
monolithic integration of electronic and photonic circuits to serve a myriad of applications in …

Short-range order in GeSn alloy

B Cao, S Chen, X Jin, J Liu, T Li - ACS Applied Materials & …, 2020 - ACS Publications
Group IV alloys have been long viewed as homogeneous random solid solutions since
perceiving them as Si-compatible, direct-band gap semiconductors 30 years ago. Such a …

Band structure of Ge1− xSnx alloy: A full-zone 30-band k· p model

Z Song, W Fan, CS Tan, Q Wang, D Nam… - New Journal of …, 2019 - iopscience.iop.org
A full-zone 30-band k· p model is developed as an efficient and reliable tool to compute
electronic band structure in Ge 1− x Sn x alloy. The model was first used to reproduce the …

[HTML][HTML] Ge1−xSnx alloys: Consequences of band mixing effects for the evolution of the band gap Γ-character with Sn concentration

TD Eales, IP Marko, S Schulz, E O'Halloran… - Scientific reports, 2019 - nature.com
In this work we study the nature of the band gap in GeSn alloys for use in silicon-based
lasers. Special attention is paid to Sn-induced band mixing effects. We demonstrate from …