Silicon photonics has been an area of active research and development. Researchers have
been working on enhancing the integration density and intricacy of silicon photonic circuits …

This article presents a refractive index (RI) nanosensor utilizing gold as the plasmonic
material. The layout of the sensor includes metal-insulator-metal (MIM) waveguides coupled …

This paper introduces a new design strategy for the development of highly sensitive
Multimode Interference (MMI) sensors by employing an engineered slot-waveguide as the …

Two optical waveguide sensors based on SOS (silicon-on-sapphire) for detecting CO2 are
theoretically proposed. The operational wavelength is 4.23 μm, which is the maximum …

In recent years, there has been a significant increase in research into silicon-based on-chip
sensing. In this paper, a coupled cavity waveguide (CCW) based on a slab photonic crystal …

Optical coupling between propagating light and confined surface polaritons plays a pivotal
role in the practical design of nanophotonic devices. However, the coupling efficiency …

In this work, we investigated the optimization of a plasmonic slot waveguide (PSWG) in the
mid-IR region particularly for a representative wavelength of 4.26 µm, which is the …

This study introduces a sensor consisting of a metal-insulator-metal (MIM) structure, having
an integration of gold nanorods and gratings, to perform various functions including sensing …

Plasmonic waveguides have attracted much attention owing to the associated high field
intensity at the metal–dielectric interface and their ability to confine the modes at the …

The goal of this thesis was to model so called Tamm-Plasmon-Polariton (TP) structures in
context with optical mid-infrared absorption sensing of gases. The structures were designed …