Germanium-based integrated photonics from near-to mid-infrared applications

D Marris-Morini, V Vakarin, JM Ramirez, Q Liu… - …, 2018 - degruyter.com
Germanium (Ge) has played a key role in silicon photonics as an enabling material for
datacom applications. Indeed, the unique properties of Ge have been leveraged to develop …

Progress of infrared guided-wave nanophotonic sensors and devices

Y Ma, B Dong, C Lee - Nano Convergence, 2020 - Springer
Nanophotonics, manipulating light–matter interactions at the nanoscale, is an appealing
technology for diversified biochemical and physical sensing applications. Guided-wave …

Larger-than-unity external optical field confinement enabled by metamaterial-assisted comb waveguide for ultrasensitive long-wave infrared gas spectroscopy

W Liu, Y Ma, X Liu, J Zhou, C Xu, B Dong, C Lee - Nano Letters, 2022 - ACS Publications
Nanophotonic waveguides that implement long optical pathlengths on chips are promising
to enable chip-scale gas sensors. Nevertheless, current absorption-based waveguide …

On-chip mid-infrared supercontinuum generation from 3 to 13 μm wavelength

M Montesinos-Ballester, C Lafforgue, J Frigerio… - ACS …, 2020 - ACS Publications
Midinfrared spectroscopy is a universal way to identify chemical and biological substances.
Indeed, when interacting with a light beam, most molecules are responsible for absorption at …

Semiconductor infrared plasmonics

T Taliercio, P Biagioni - Nanophotonics, 2019 - degruyter.com
The coupling between light and collective oscillations of free carriers at metallic surfaces
and nanostructures is at the origin of one of the main fields of nanophotonics: plasmonics …

High-quality microresonators in the longwave infrared based on native germanium

D Ren, C Dong, SJ Addamane, D Burghoff - nature communications, 2022 - nature.com
The longwave infrared (LWIR) region of the spectrum spans 8 to 14 μm and enables high-
performance sensing and imaging for detection, ranging, and monitoring. Chip-scale LWIR …

Recent progress in silicon‐based photonic integrated circuits and emerging applications

Z Xiao, W Liu, S Xu, J Zhou, Z Ren… - Advanced Optical …, 2023 - Wiley Online Library
In recent years, with the further ministration of the semiconductor device in integrated
circuits, power consumption and data transmission bandwidth have become insurmountable …

Ultra-wideband integrated photonic devices on silicon platform: from visible to mid-IR

X Guo, X Ji, B Yao, T Tan, A Chu, O Westreich… - …, 2023 - degruyter.com
Silicon photonics has gained great success mainly due to the promise of realizing compact
devices in high volume through the low-cost foundry model. It is burgeoning from laboratory …

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 …

[HTML][HTML] Mid-infrared integrated silicon–germanium ring resonator with high Q-factor

R Armand, M Perestjuk, A Della Torre, M Sinobad… - APL Photonics, 2023 - pubs.aip.org
We report the realization of a silicon–germanium on silicon ring resonator with high Q-factor
at mid-infrared wavelengths. The fabricated ring exhibits a loaded Q-factor of 236 000 at the …