Globally, there is active development of photonic sensors incorporating multidisciplinary
research. The ultimate objective is to develop small, low-cost, sensitive, selective, quick …

Photonic sensors utilize light–matter interaction to detect physical parameters accurately
and efficiently. They exploit the interaction between photons and matter, with light …

The advantages of integrating infrared (IR) waveguide gas sensors on a chip include
compactness, low power consumption, and high selectivity. Mid-IR waveguide sensors …

Hybrid integration of photonic chips with electronic and micromechanical circuits is projected
to bring about miniature, but still highly accurate and reliable, laser spectroscopic sensors …

Infrared absorption spectroscopy (IAS) is currently a powerful tool for gas sensing. Gas
sensors based on IAS show advantages of high sensitivity, good selectivity and in-situ …

Mid-infrared spectroscopy enabled by silicon photonics has received great interest in recent
years as a pathway for a scalable sensing technology. The development of such devices …

This work presents the novel concept of silicon germanium (S i _1− x G e _ x) asymmetric rib
cross-slot waveguides (ACWGs) as a potential solution for sensing a wide range of …

By integrating a microcavity Kerr frequency comb with an interferometric arm structure for
backward coupling with a slot sensing waveguide, we present a new on-chip multi-gas …

This paper proposes the design of a highly responsive, compact, non-contact methane
telemetry sensor, employing the open-path tunable diode laser absorption spectroscopy (OP …

As photonic technologies continue to grow in multidimensional aspects, integrated
photonics holds a unique position and continuously presents enormous possibilities to …