Optical characterization at 7.7 µm of an integrated platform based on chalcogenide waveguides for sensing applications in the mid-infrared

A Gutierrez-Arroyo, E Baudet, L Bodiou, J Lemaitre… - Optics express, 2016 - opg.optica.org
A selenide integrated platform working in the mid-infrared was designed, fabricated and
optically characterized at 7.7 µm. Ge-Sb-Se multilayered structures were deposited by RF …

Evanescent wave optical micro-sensor based on chalcogenide glass

J Charrier, ML Brandily, H Lhermite, K Michel… - Sensors and Actuators B …, 2012 - Elsevier
A micro-sensor based on chalcogenide glasses was developed on oxidized silicon
substrate for evanescent wave detection in near-infrared spectral domain. This micro-sensor …

Enhanced mid-infrared gas absorption spectroscopic detection using chalcogenide or porous germanium waveguides

R Zegadi, N Lorrain, L Bodiou, M Guendouz… - Journal of …, 2021 - iopscience.iop.org
Different integrated photonic sensors are investigated for the detection in the mid-infrared
region of the two gases namely CO 2 and CH 4. The three studied structures are ridge …

Optimization of porous silicon waveguide design for micro-ring resonator sensing applications

P Azuelos, P Girault, N Lorrain, Y Dumeige… - Journal of …, 2018 - iopscience.iop.org
The design of porous silicon (PSi) integrated micro-resonators (MRs) is studied for both
surface sensing and homogeneous sensing at 1550 nm to optimize the sensors' sensitivity …

Porous Si-SiO2 based UV Microcavities

MR Jimenéz-Vivanco, G García, J Carrillo… - Scientific Reports, 2020 - nature.com
Obtaining silicon-based photonic-structures in the ultraviolet range would expand the
wavelength bandwidth of silicon technology, where it is normally forbidden. Herein, we …

Porous silicon micro-resonator implemented by standard photolithography process for sensing application

P Girault, P Azuelos, N Lorrain, L Poffo, J Lemaitre… - Optical Materials, 2017 - Elsevier
A micro-resonator based on porous silicon ridge waveguides is implemented by a large
scale standard photolithography process to obtain a low cost and sensitive sensor based on …

A porous silicon-based Bragg grating waveguide sensor for chemical monitoring

I Rea, M Iodice, G Coppola, I Rendina, A Marino… - Sensors and Actuators B …, 2009 - Elsevier
We have fabricated, and characterized a Bragg grating, having a pitch of 10μm, directly
etched on a porous silicon-based planar waveguide to be used as an optical sensor for …

Achieving Low Propagation Loss and Small‐Index‐Contrast Carbonized Porous Silicon Waveguides Using Direct Laser Writing

J Fletcher, J Dell, G Parish… - Advanced Photonics …, 2024 - Wiley Online Library
Porous silicon (PS) is often overlooked as a platform for creating large‐mode area
waveguides suitable for optical sensing applications due to challenges around creating …

Racetrack micro-resonators based on ridge waveguides made of porous silica

P Girault, N Lorrain, J Lemaitre, L Poffo, M Guendouz… - Optical Materials, 2015 - Elsevier
The fabrication of micro-resonators, made from porous silica ridge waveguides by using an
electrochemical etching method of silicon substrate followed by thermal oxidation and then …

Porous silicon based resonant mirrors for biochemical sensing

E De Tommasi, L De Stefano, I Rea, V Di Sarno… - Sensors, 2008 - mdpi.com
We report on our preliminary results in the realization and characterization of a porous
silicon (PSi) resonant mirror (RM) for optical biosensing. We have numerically and …