Short-wave infrared cavity resonances in a single GeSn nanowire

Y Kim, S Assali, HJ Joo, S Koelling, M Chen… - Nature …, 2023 - nature.com
Nanowires are promising platforms for realizing ultra-compact light sources for photonic
integrated circuits. In contrast to impressive progress on light confinement and stimulated …

Origin and suppression of dark current for high-performance colloidal quantum dot short-wave infrared photodetectors

Y Yan, HY Liu, L Bian, YY Dai, BN Zhang, SM Xue… - Materials …, 2024 - pubs.rsc.org
The development of cost-effective and highly sensitive short-wave infrared (SWIR)
photodetectors is crucial for the expanding applications of SWIR imaging in civilian …

High-bandwidth extended-SWIR GeSn photodetectors on silicon achieving ultrafast broadband spectroscopic response

MRM Atalla, S Assali, S Koelling, A Attiaoui… - Acs …, 2022 - ACS Publications
The availability of high-frequency pulsed emitters in the 2–2.5 μm wavelength range paved
the way for a wealth of new applications in ultrafast spectroscopy, free-space and fiber …

CMOS-compatible bias-tunable dual-band detector based on GeSn/Ge/Si coupled photodiodes

E Talamas Simola, V Kiyek, A Ballabio… - ACS …, 2021 - ACS Publications
Infrared (IR) multispectral detection is attracting increasing interest with the rising demand
for high spectral sensitivity, room temperature operation, CMOS-compatible devices. Here …

Room temperature lasing in GeSn microdisks enabled by strain engineering

D Buca, A Bjelajac, D Spirito… - Advanced Optical …, 2022 - Wiley Online Library
The success of GeSn alloys as active material for infrared lasers could pave the way toward
a monolithic technology that can be manufactured within mainstream silicon photonics …

Strain engineered electrically pumped SiGeSn microring lasers on Si

B Marzban, L Seidel, T Liu, K Wu, V Kiyek… - ACS …, 2022 - ACS Publications
SiGeSn holds great promise for enabling fully group-IV integrated photonics operating at
wavelengths extending in the mid-infrared range. Here, we demonstrate an electrically …

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 …

On-chip infrared photonics with Si-Ge-heterostructures: What is next?

IA Fischer, M Brehm, M De Seta, G Isella, DJ Paul… - APL Photonics, 2022 - pubs.aip.org
The integration of Ge on Si for photonics applications has reached a high level of maturity:
Ge photodetectors are available on the Si platform in foundry processes, and Si/Ge …

1D photonic crystal direct bandgap GeSn-on-insulator laser

HJ Joo, Y Kim, D Burt, Y Jung, L Zhang, M Chen… - Applied Physics …, 2021 - pubs.aip.org
GeSn alloys have been regarded as a potential lasing material for a complementary metal–
oxide–semiconductor-compatible light source. Despite their remarkable progress, all GeSn …

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 …