Synthesis and Bioapplications of Ag2S Quantum Dots with Near‐Infrared Fluorescence

C Ding, Y Huang, Z Shen, X Chen - Advanced Materials, 2021‏ - Wiley Online Library
Quantum dots (QDs) with near‐infrared fluorescence (NIR) are an emerging class of QDs
with unique capabilities owing to the deeper tissue penetrability of NIR light compared with …

[HTML][HTML] 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 …

Electrically injected GeSn lasers on Si operating up to 100 K

Y Zhou, Y Miao, S Ojo, H Tran, G Abernathy, JM Grant… - Optica, 2020‏ - opg.optica.org
Monolithic lasers on Si have long been anticipated as an enabler of full photonic integration,
and significant progress in GeSn material development shows promise for such laser …

The emergence of silicon photonics as a flexible technology platform

X Chen, MM Milosevic, S Stanković… - Proceedings of the …, 2018‏ - ieeexplore.ieee.org
In this paper, we present a brief history of silicon photonics from the early research papers in
the late 1980s and early 1990s, to the potentially revolutionary technology that exists today …

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 …

[HTML][HTML] An optically pumped 2.5 μm GeSn laser on Si operating at 110 K

S Al-Kabi, SA Ghetmiri, J Margetis, T Pham… - Applied Physics …, 2016‏ - pubs.aip.org
This paper reports the demonstration of optically pumped GeSn edge-emitting lasers grown
on Si substrates. The whole device structures were grown by an industry standard chemical …

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

J Margetis, S Al-Kabi, W Du, W Dou, Y Zhou… - ACs …, 2017‏ - ACS Publications
A Si-based monolithic laser is strongly desired for the full integration of Si-photonics. Lasing
from the direct bandgap group-IV GeSn alloy has opened a new avenue, different from the …

Optically pumped GeSn lasers operating at 270 K with broad waveguide structures on Si

Y Zhou, W Dou, W Du, S Ojo, H Tran, SA Ghetmiri… - Acs …, 2019‏ - ACS Publications
Lasing from direct bandgap group-IV GeSn alloys has opened a new venue for the
development of Si-based monolithic laser. In this work, we demonstrate optically pumped …

Direct-bandgap GeSn grown on silicon with 2230 nm photoluminescence

SA Ghetmiri, W Du, J Margetis, A Mosleh… - Applied Physics …, 2014‏ - pubs.aip.org
Material and optical characterizations have been conducted for epitaxially grown Ge 1− x Sn
x thin films on Si with Sn composition up to 10%. A direct bandgap Ge 0.9 Sn 0.1 alloy has …

The direct and indirect bandgaps of unstrained SixGe1− x− ySny and their photonic device applications

P Moontragoon, RA Soref, Z Ikonic - Journal of Applied Physics, 2012‏ - pubs.aip.org
Using empirical pseudopotential theory, the direct (Γ) and indirect bandgaps (L and X) of
unstrained crystalline Si x Ge 1− x− y Sn y have been calculated over the entire xy …