Optically pumped GeSn microdisk lasers on Si

D Stange, S Wirths, R Geiger, C Schulte-Braucks… - ACS …, 2016 - ACS Publications
The strong correlation between advancing the performance of Si microelectronics and their
demand of low power consumption requires new ways of data communication. Photonic …

Optically pumped GeSn micro-disks with 16% Sn lasing at 3.1 μm up to 180 K

V Reboud, A Gassenq, N Pauc, J Aubin… - Applied Physics …, 2017 - pubs.aip.org
Recent demonstrations of optically pumped lasers based on GeSn alloys put forward the
prospect of efficient laser sources monolithically integrated on a Si photonic platform. For …

Synthesis and optical properties of lead-free cesium germanium halide perovskite quantum rods

LJ Chen - RSC advances, 2018 - pubs.rsc.org
Herein, the fabrication of a lead-free cesium germanium halide perovskite produced via a
simple solvothermal process is reported for the first time. By tuning the composition of the …

Room temperature optically pumped GeSn microdisk lasers

J Chrétien, QM Thai, M Frauenrath, L Casiez… - Applied Physics …, 2022 - pubs.aip.org
GeSn alloys are promising materials for light emitters monolithically grown on silicon. In this
work, we demonstrate room temperature (RT) lasing in a GeSn hetero-structure with 17.2 …

GeSn/SiGeSn heterostructure and multi quantum well lasers

D Stange, N von den Driesch, T Zabel… - ACS …, 2018 - ACS Publications
GeSn and SiGeSn are promising materials for the fabrication of a group IV laser source
offering a number of design options from bulk to heterostructures and quantum wells. Here …

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 …

Non-equilibrium induction of tin in germanium: towards direct bandgap Ge1−xSnx nanowires

S Biswas, J Doherty, D Saladukha, Q Ramasse… - Nature …, 2016 - nature.com
The development of non-equilibrium group IV nanoscale alloys is critical to achieving new
functionalities, such as the formation of a direct bandgap in a conventional indirect bandgap …

GeSn heterostructure micro-disk laser operating at 230 K

QM Thai, N Pauc, J Aubin, M Bertrand, J Chrétien… - Optics express, 2018 - opg.optica.org
We demonstrate lasing up to 230 K in a GeSn heterostructure micro-disk cavity. The GeSn
16.0% optically active layer was grown on a step-graded GeSn buffer, limiting the density of …

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 …

Enhanced GeSn microdisk lasers directly released on Si

Y Kim, S Assali, D Burt, Y Jung, HJ Joo… - Advanced Optical …, 2022 - Wiley Online Library
GeSn alloys are promising candidates for complementary metal‐oxide‐semiconductor‐
compatible, tunable lasers. Relaxation of residual compressive strain in epitaxial GeSn has …