The emergence of silicon photonics over the past two decades has established silicon as a
preferred substrate platform for photonic integration. While most silicon-based photonic …

Surface‐enhanced infrared absorption (SEIRA) has attracted increasing attention due to the
potential of infrared spectroscopy in applications such as molecular trace sensing of solids …

We demonstrate an on-chip sensor for room-temperature detection of methane gas using a
broadband spiral chalcogenide glass waveguide coupled with off-chip laser and detector …

In this article, we review our recent work on mid-infrared (mid-IR) photonic materials and
devices fabricated on silicon for on-chip sensing applications. Pedestal waveguides based …

This review outlines the combination of infrared spectroscopy and continuous microfluidic
processes. FTIR spectroscopy gives access to the microscopic chemical composition of …

We present Ge rib waveguide devices fabricated on a Ge-on-insulator (GeOI) wafer as a
proof-of-concept Ge mid-infrared photonics platform. Numerical analysis revealed that the …

In this paper we discuss silicon-based photonic integrated circuit technology for applications
beyond the telecommunication wavelength range. Silicon-on-insulator and germanium-on …

Mid-infrared spectroscopy offers unique sensing schemes to detect target molecules thanks
to the absorption of infrared light at specific wavelengths unique to chemical compositions …

In less than a decade, the mid-infrared (mid-IR) spectral range (2.5-12 μm) has become a
key application for innovative silicon photonic devices because of the growing potential in …

We propose a refractive index sensor in a silicon-on-insulator (SOI) platform inspired by the
operation of multimode fiber sensors. The sensor utilizes an optimized SOI resonator …