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 …

Midinfrared spectroscopic analysis of aqueous mixtures using artificial-intelligence-enhanced metamaterial waveguide sensing platform

J Zhou, Z Zhang, B Dong, Z Ren, W Liu, C Lee - ACS nano, 2022 - ACS Publications
As miniaturized solutions, mid-infrared (MIR) waveguide sensors are promising for label-free
compositional detection of mixtures leveraging plentiful absorption fingerprints. However …

CORNERSTONE's silicon photonics rapid prototy** platforms: current status and future outlook

CG Littlejohns, DJ Rowe, H Du, K Li, W Zhang, W Cao… - Applied Sciences, 2020 - mdpi.com
Featured Application The CORNERSTONE silicon photonics rapid prototy** service can
be used by academic and industry researchers alike. The platform targets those who require …

[HTML][HTML] Mid-infrared supercontinuum generation in a low-loss germanium-on-silicon waveguide

A Della Torre, M Sinobad, R Armand, B Luther-Davies… - APL Photonics, 2021 - pubs.aip.org
We experimentally demonstrate supercontinuum (SC) generation in a germanium-on-silicon
waveguide. This waveguide exhibits propagation loss between 1.2 dB/cm and 1.35 dB/cm in …

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 …

Roadmap on chalcogenide photonics

B Gholipour, SR Elliott, MJ Müller… - Journal of Physics …, 2023 - iopscience.iop.org
Alloys of sulfur, selenium and tellurium, often referred to as chalcogenide semiconductors,
offer a highly versatile, compositionally-controllable material platform for a variety of passive …

[HTML][HTML] Silicon nitride waveguide polarization rotator and polarization beam splitter for chip-scale atomic systems

K Gallacher, PF Griffin, E Riis, M Sorel, DJ Paul - Apl Photonics, 2022 - pubs.aip.org
The design, fabrication, and characterization of a silicon nitride waveguide polarization
rotator and polarization beam splitter that operate with a polarization extinction ratio (PER) …

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 …

Ultrasensitive mid-infrared optical gas sensor based on germanium-on-insulator photonic circuits with limit-of-detection at sub-ppm level

J Lim, J Shim, I Kim, SK Kim, H Lim, SY Ahn… - ACS …, 2024 - ACS Publications
Optical waveguide structures guiding a strongly localized field in an external region for mid-
IR integrated gas sensors using the IR tunable diode laser absorption spectroscopy …

Suspended germanium waveguides with subwavelength-grating metamaterial cladding for the mid-infrared band

A Sánchez-Postigo, A Ortega-Moñux… - Optics …, 2021 - opg.optica.org
In recent years, sensing and communication applications have fueled important
developments of group-IV photonics in the mid-infrared band. In the long-wave range, most …