activity
20172026
most citedStudy of SiGeSn/GeSn single quantum well towards high-performance all-group-IV optoelectronics

15 citations · 23 across the 12 of their papers we have counts for

collaborators

12 papers

cond-mat.mtrl-sci2026

Investigation of GeSn aspect ratio trapping growth up to 8% Sn

Hryhorii Stanchu, Quang Minh Thai, Fernando M. de Oliveira +10

Aspect ratio trapping (ART) growth of germanium-tin (GeSn) is a promising approach to target important objectives on the quest towards commercialization of complementary metal-oxid…

physics.app-ph2026

Study of GeSn Selective Area Growth with Demonstration of SWIR Light Detection

Hryhorii Stanchu, Quang Minh Thai, Rajesh Kumar +16

As germanium-tin (GeSn) epitaxial growth quality continuously improves, the search for an efficient integration strategy of GeSn optoelectronics devices into complementary metal-ox…

physics.app-ph2026

Germanium-tin (GeSn) avalanche photodiode with up to 2.7 micro cutoff wavelength for extended SWIR detection

Quang Minh Thai, Rajesh Kumar, Justin Rudie +11

Separate absorption charge multiplication germanium tin on silicon avalanche photodiode offers a viable solution to achieve CMOS compatible, high sensitivity detection technology i…

physics.app-ph2025

Ge0.95Sn0.05 on Si avalanche photodiode with Spectral Response Cutoff at 2.14 micrometer

Justin Rudie, Xiaoxin Wang, Rajesh Kumar +9

GeSn-based avalanche photodiode (APD) operating in shortwave infrared (SWIR) wavelength was demonstrated in this work. A separate absorption and charge multiplication (SACM) struct…

cond-mat.mtrl-sci2024★ 2 cited

Monolithic Germanium Tin on Si Avalanche Photodiodes

Justin Rudie, Sylvester Amoah, Xiaoxin Wang +8

We demonstrate monolithically grown germanium-tin (GeSn) on silicon avalanche photodiodes (APDs) for infrared light detection. A relatively thinner Ge buffer design was adopted to…

physics.optics2024

Electrically Injected mid-infrared GeSn laser on Si operating at 140 K

Sudip Acharya, Hryhorii Stanchu, Rajesh Kumar +6

Owing to its true direct bandgap and tunable bandgap energies,GeSn alloys are increasingly attractive as gain media for mid-IR lasers that can be monolithically integrated on Si. D…

physics.app-ph2020★ 15 cited

Study of SiGeSn/GeSn single quantum well towards high-performance all-group-IV optoelectronics

Grey Abernathy, Yiyin Zhou, Solomon Ojo +8

The recent progress on (Si)GeSn optoelectronic devices holds a great promising for photonic integration on the Si substrate. In parallel to the development of bulk devices, the (Si…

physics.app-ph2020★ 2 cited

Electrically injected GeSn lasers with peak wavelength up to 2.7 micrometer at 90 K

Yiyin Zhou, Solomon Ojo, Yuanhao Miao +15

GeSn lasers enable monolithic integration of lasers on the Si platform using all-group-IV direct-bandgap materials. Although optically pumped GeSn lasers have made significant prog…

physics.app-ph2020★ 3 cited

Electrically injected GeSn lasers on Si operating up to 100 K

Yiyin Zhou, Yuanhao Miao, Solomon Ojo +14

The significant progress of GeSn material development has enabled a feasible solution to the long-desired monolithically integrated lasers on the Si platform. While there are many…

physics.app-ph2019★ 1 cited

Si-based GeSn photodetectors towards mid-infrared imaging applications

Huong Tran, Thach Pham, Joe Margetis +13

This paper reports a comprehensive study of Si-based GeSn mid-infrared photodetectors, which includes: 1) the demonstration of a set of photoconductors with Sn compositions ranging…

cond-mat.mtrl-sci2018

UHV-CVD Growth of High Quality GeSn Using SnCl4: From Growth Optimization to Prototype Devices

P. C. Grant, W. Dou, B. Alharthi +9

The persistent interest of the epitaxy of group IV alloy GeSn is mainly driven by the demand of efficient light source that could be monolithically integrated on Si for mid-infrare…

physics.app-ph2017

Si-based GeSn lasers with wavelength coverage of 2 to 3 μm and operating temperatures up to 180 K

Joe Margetis, Sattar Al-Kabi, Wei Du +13

A Si-based monolithic laser is highly desirable for full integration of Si-photonics. Lasing from direct bandgap group-IV GeSn alloy has opened a completely new venue from the trad…