Impact of strain engineering and Sn content on GeSn heterostructured nanomaterials for nanoelectronics and photonic devices

MA Nawwar, MSA Ghazala, LMS El-Deen… - RSC …, 2022 - pubs.rsc.org
Heterostructures based on the GeSn nanocompound have high impact on integrated
photonics devices. The promising feature of GeSn nanostructures is its direct bandgap …

Recent Progress in Light Polarization Control Schemes for Silicon Integrated Photonics

H Zafar, MF Pereira - Laser & Photonics Reviews, 2024 - Wiley Online Library
Light polarization control is a target in photonics, and this paper provides a comprehensive
review of research from various groups on the silicon‐on‐insulator (SOI) platform. It draws …

Metastable group IV allotropes and solid solutions: Nanoparticles and nanowires

S Barth, MS Seifner, S Maldonado - Chemistry of Materials, 2020 - ACS Publications
In the past decades, group IV nanowires and nanoparticles have been the subject of
extensive research. Beside tremendous progress in morphological control and integration in …

GeSn-based multiple-quantum-well photodetectors for mid-infrared sensing applications

H Kumar, AK Pandey - IEEE Transactions on NanoBioscience, 2021 - ieeexplore.ieee.org
Silicon (Si)-based mid-infrared (MIR) photonics has promising potential for realizing next-
generation ultra-compact spectroscopic systems for various applications such as label-free …

Tuning the structural and optical properties of GeSiSn/Si multiple quantum wells and GeSn nanostructures using annealing and a faceted surface as a substrate

VA Timofeev, VI Mashanov, AI Nikiforov… - Applied Surface …, 2022 - Elsevier
The optical properties of GeSiSn/Si multiple quantum wells (MQWs) and GeSn
nanostructures are studied in the range of 1.3–4 µm. An annealing at the temperature of …

Growth of α-Sn on silicon by a reversed β-Sn to α-Sn phase transformation for quantum material integration

S Liu, AC Covian, JA Gardener, A Akey… - Communications …, 2022 - nature.com
Abstract α-Sn and SnGe alloys are attracting attention as a new family of topological
quantum materials. However, bulk α-Sn is thermodynamically stable only below 13∘ C …

GeSn/Ge Multiquantum-Well Vertical-Cavity Surface-Emitting pin Structures and Diode Emitters on a 200 mm Ge-on-Insulator Platform

Q Chen, Y Jung, H Zhou, S Wu, X Gong… - ACS …, 2023 - ACS Publications
An efficient monolithically integrated light source with complementary metal-oxide-
semiconductor (CMOS) compatibility remains the missing component to enable Si photonics …

3D Nanoscale Map** of Short‐Range Order in GeSn Alloys

S Liu, AC Covian, X Wang, CT Cline, A Akey… - Small …, 2022 - Wiley Online Library
GeSn on Si has attracted much research interest due to its tunable direct bandgap for mid‐
infrared applications. Recently, short‐range order (SRO) in GeSn alloys has been …

Design of Mid-Infrared Ge1–x Snx Homojunction pin Photodiodes on Si Substrate

H Kumar, R Basu - IEEE Sensors Journal, 2022 - ieeexplore.ieee.org
This work reports an optimal design and modeling of a high-performance normal-incidence
GeSn homojunction pin PDs on p-doped silicon (Si) substrate via Intrinsic-Si buffer …

Carrier lifetime of GeSn measured by spectrally resolved picosecond photoluminescence spectroscopy

B Julsgaard, N Von den Driesch… - Photonics …, 2020 - opg.optica.org
We present an experimental setup capable of time-resolved photoluminescence
spectroscopy for photon energies in the range of 0.51 to 0.56 eV with an instrument time …