Review of Si-based GeSn CVD growth and optoelectronic applications

Y Miao, G Wang, Z Kong, B Xu, X Zhao, X Luo, H Lin… - Nanomaterials, 2021 - mdpi.com
GeSn alloys have already attracted extensive attention due to their excellent properties and
wide-ranging electronic and optoelectronic applications. Both theoretical and experimental …

Investigation of GeSn strain relaxation and spontaneous composition gradient for low-defect and high-Sn alloy growth

W Dou, M Benamara, A Mosleh, J Margetis, P Grant… - Scientific reports, 2018 - nature.com
Recent development of group-IV alloy GeSn indicates its bright future for the application of
mid-infrared Si photonics. Relaxed GeSn with high material quality and high Sn composition …

SiGeSn quantum well for photonics integrated circuits on Si photonics platform: a review

O Olorunsola, A Said, S Ojo, H Stanchu… - Journal of Physics D …, 2022 - iopscience.iop.org
Recent studies of SiGeSn materials and optoelectronic devices hold great promise for
photonics integrated circuits (PICs) on Si platform featuring scalable, cost-effective, and …

Optically pumped lasing at 3 μm from compositionally graded GeSn with tin up to 22.3%

W Dou, Y Zhou, J Margetis, SA Ghetmiri, S Al-Kabi… - Optics letters, 2018 - opg.optica.org
The recent demonstration of the GeSn laser opened a promising route towards the
monolithic integration of light sources on the Si platform. A GeSn laser with higher Sn …

Crystalline GeSn growth by plasma enhanced chemical vapor deposition

W Dou, B Alharthi, PC Grant, JM Grant… - Optical Materials …, 2018 - opg.optica.org
Single crystalline GeSn growth on Si substrate was successfully demonstrated by using
plasma enhanced chemical vapor deposition (PE-CVD) with commercially available GeH_4 …

[HTML][HTML] Direct bandgap type-I GeSn/GeSn quantum well on a GeSn-and Ge-buffered Si substrate

PC Grant, J Margetis, Y Zhou, W Dou, G Abernathy… - AIP Advances, 2018 - pubs.aip.org
This paper reports the comprehensive characterization of a Ge 0.92 Sn 0.08/Ge 0.86 Sn
0.14/Ge 0.92 Sn 0.08 single quantum well. By using a strain relaxed Ge 0.92 Sn 0.08 buffer …

Enhanced carrier collection efficiency of GeSn single quantum well towards all-group-IV photonics applications

O Olorunsola, A Said, S Ojo, G Abernathy… - Journal of Physics D …, 2022 - iopscience.iop.org
GeSn-based quantum wells (QWs) are of great interests for the development of all-group-IV
optoelectronic devices such as lasers. Using a GeSn buffer and SiGeSn barrier has been …

[HTML][HTML] Study of SiGeSn/GeSn single quantum well toward high-performance all-group-IV optoelectronics

G Abernathy, Y Zhou, S Ojo, B Alharthi… - Journal of Applied …, 2021 - pubs.aip.org
Recent progress on (Si) GeSn optoelectronic devices holds great promise for photonic
integration on Si substrates. In parallel to the development of bulk devices,(Si) GeSn-based …

Investigation of SiGeSn/GeSn/SiGeSn single quantum well with enhanced well emission

O Olorunsola, S Ojo, G Abernathy, Y Zhou… - …, 2021 - iopscience.iop.org
In this work, a SiGeSn/GeSn/SiGeSn single quantum well was grown and characterized. The
sample has a thicker GeSn well of 22nm compared to a previously reported 9nm well …

Study of direct bandgap type-I GeSn/GeSn double quantum well with improved carrier confinement

PC Grant, J Margetis, W Du, Y Zhou, W Dou… - …, 2018 - iopscience.iop.org
The GeSn-based quantum wells (QWs) have been investigated recently for the development
of efficient GeSn emitters. Although our previous study indicated that the direct bandgap well …