Metasurface‐Enhanced Infrared Spectroscopy: An Abundance of Materials and Functionalities
Infrared spectroscopy provides unique information on the composition and dynamics of
biochemical systems by resolving the characteristic absorption fingerprints of their …
biochemical systems by resolving the characteristic absorption fingerprints of their …
Integrated nonlinear photonics in the longwave-infrared: A roadmap
This article presents an overview of the current status and future prospects of integrated
nonlinear photonics in the long-wave infrared (LWIR) spectrum, spanning 6 to 14 μm. This …
nonlinear photonics in the long-wave infrared (LWIR) spectrum, spanning 6 to 14 μm. This …
High-quality microresonators in the longwave infrared based on native germanium
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 …
performance sensing and imaging for detection, ranging, and monitoring. Chip-scale LWIR …
[HTML][HTML] Mid-infrared integrated silicon–germanium ring resonator with high Q-factor
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 …
at mid-infrared wavelengths. The fabricated ring exhibits a loaded Q-factor of 236 000 at the …
Mid-infrared integrated electro-optic modulator operating up to 225 MHz between 6.4 and 10.7 μm wavelength
Mid-infrared spectroscopy is essential for identifying molecular species, while related electro-
optic modulators are crucial for signal-to-noise enhancement via synchronous detection …
optic modulators are crucial for signal-to-noise enhancement via synchronous detection …
Long-wave infrared integrated resonators in the 7.5–9 μm wavelength range
N Koompai, THN Nguyen, V Turpaud, J Frigerio… - Applied Physics …, 2023 - pubs.aip.org
We present broadband on-chip resonators based on SiGe graded-index waveguides
operating in the long-wave infrared spectral range from 7.5 to 9.0 μm wavelength range. A …
operating in the long-wave infrared spectral range from 7.5 to 9.0 μm wavelength range. A …
Low-loss and high-confinement photonic platform based on germanium-on-insulator at mid-infrared range for optical sensing
We experimentally demonstrate a low-loss Ge-on-insulator (Ge-OI) passive waveguide with
low absorptive yttrium oxide (Y 2 O 3) as an insulator for a photonic platform using a wafer …
low absorptive yttrium oxide (Y 2 O 3) as an insulator for a photonic platform using a wafer …
Experimental demonstration of high-Q MRR based on a germanium-on-insulator platform with an yttria insulator in the mid-IR range
We experimentally demonstrate an all-pass microring resonator (MRR) based on a Y_2O_3
BOX germanium-on-insulator (GeOI) platform operating in the mid-IR region. The ring …
BOX germanium-on-insulator (GeOI) platform operating in the mid-IR region. The ring …
Modelling of an intersubband quantum confined Stark effect in Ge quantum wells for mid-infrared photonics
A Barzaghi, V Falcone, S Calcaterra, D Marris-Morini… - Optics …, 2022 - opg.optica.org
In this work we theoretically investigate quantum confined Stark effect of intersubband
transitions in asymmetric Ge/SiGe quantum wells for intensity modulation in the mid-infrared …
transitions in asymmetric Ge/SiGe quantum wells for intensity modulation in the mid-infrared …
Study on the origin and evolution of femtosecond laser-induced surface structures: LIPSS, quasi-periodic grooves, and aperiodic micro-ridges
A Ali, P Piatkowski, AS Alnaser - Materials, 2023 - mdpi.com
We investigate the evolution mechanisms of the laser-induced periodic surface structures
(LIPSS) and quasi-periodic grooves that are formed on the surface of monocrystalline silicon …
(LIPSS) and quasi-periodic grooves that are formed on the surface of monocrystalline silicon …