In this paper, a novel 8-shaped resonator coupled to metal–insulator–metal waveguides is
used for designing plasmonic filters and sensors. The resonator supports two resonance …

In this paper, an elliptical resonator coupled to a straight metal-insulator-metal waveguide
through a silicon layer is used for sensing application. The finite-difference time-domain …

Three novel refractive index (RI) sensors based on one, two, and three H-shaped cavities
(HCs) and metal–insulator–metal (MIM) waveguides are proposed in this paper. By coupling …

In this paper, an optical refractive index (RI) sensor based on a photonic crystal and
plasmonic (PhC-P) hybrid topology is designed. The sensor's structure is composed of …

Plasmon-induced transparency (PIT) in the transparent window provides new insights into
the design of optical devices such as optical sensors. Therefore, in this paper, four novel …

A metal-insulator-metal (MIM) waveguide comprising concave and triangular cavities is
proposed, and its transmission characteristics are studied by the finite element method …

Fano resonance is a sharp and asymmetric spectral feature that can be used for refractive
index sensing. In this paper, we propose a Fano resonance sensor based on the coupling …

Optical switches and sensors are attractive topics, showing a wide range of applications. To
date, various approaches based on different and novel structures, such as photonics crystal …

Detection of low-index materials such as aerogels and also detection of refractive index
variations in these materials is still a challenging task. Here, a high figure of merit (FOM) …

In this paper, a method for sensing the mass densities of CO 2 and CH 4 gases is proposed
based on the theoretical index–density relation of Lorentz–Lorenz using a resonance-based …