Si–Ge–Sn alloys: From growth to applications

S Wirths, D Buca, S Mantl - Progress in crystal growth and characterization …, 2016 - Elsevier
In this review article, we address key material parameters as well as the fabrication and
application of crystalline GeSn binary and SiGeSn ternary alloys. Here, the transition from an …

Ultra-low-threshold continuous-wave and pulsed lasing in tensile-strained GeSn alloys

A Elbaz, D Buca, N von den Driesch, K Pantzas… - Nature …, 2020 - nature.com
Strained GeSn alloys are promising for realizing light emitters based entirely on group IV
elements. Here, we report GeSn microdisk lasers encapsulated with a SiN x stressor layer to …

Low-threshold optically pumped lasing in highly strained germanium nanowires

S Bao, D Kim, C Onwukaeme, S Gupta… - Nature …, 2017 - nature.com
The integration of efficient, miniaturized group IV lasers into CMOS architecture holds the
key to the realization of fully functional photonic-integrated circuits. Despite several years of …

Direct bandgap group IV epitaxy on Si for laser applications

N Von Den Driesch, D Stange, S Wirths… - Chemistry of …, 2015 - ACS Publications
The recent observation of a fundamental direct bandgap for GeSn group IV alloys and the
demonstration of low temperature lasing provide new perspectives on the fabrication of Si …

Group IV light sources to enable the convergence of photonics and electronics

S Saito, FY Gardes, AZ Al-Attili, K Tani, K Oda… - Frontiers in …, 2014 - frontiersin.org
Group IV lasers are expected to revolutionize chip-to-chip optical communications in terms
of cost, scalability, yield, and compatibility to the existing infrastructure of silicon industries …

Reduced lasing thresholds in GeSn microdisk cavities with defect management of the optically active region

A Elbaz, R Arefin, E Sakat, B Wang, E Herth… - ACS …, 2020 - ACS Publications
GeSn alloys are nowadays considered as the most promising materials to build Group IV
laser sources on silicon (Si) in a full complementary metal oxide semiconductor-compatible …

Optical Transitions in Direct-Bandgap Ge1–xSnx Alloys

D Stange, S Wirths, N von den Driesch, G Mussler… - ACS …, 2015 - ACS Publications
A comprehensive study of optical transitions in direct-bandgap Ge0. 875Sn0. 125 group IV
alloys via photoluminescence measurements as a function of temperature, compressive …

Strained-germanium nanostructures for infrared photonics

C Boztug, JR Sánchez-Pérez, F Cavallo, MG Lagally… - ACS …, 2014 - ACS Publications
The controlled application of strain in crystalline semiconductors can be used to modify their
basic physical properties to enhance performance in electronic and photonic device …

Tensile Ge microstructures for lasing fabricated by means of a silicon complementary metal-oxide-semiconductor process

G Capellini, C Reich, S Guha, Y Yamamoto… - Optics express, 2014 - opg.optica.org
In this work we study, using experiments and theoretical modeling, the mechanical and
optical properties of tensile strained Ge microstructures directly fabricated in a state-of-the …

[PDF][PDF] All‐Around SiN Stressor for High and Homogeneous Tensile Strain in Germanium Microdisk Cavities

A Ghrib, M El Kurdi, M Prost… - Advanced …, 2015 - qdgroup.universite-paris-saclay.fr
Strain engineering has emerged as a powerful tool to control the properties of electronic and
photonic structures. Strain has a direct impact on the mechanical properties and on the …