Exploring surface plasmon resonance ring resonator structure for high sensitivity and ultra-high-Q optical filter with FDTD method

R Krishnamoorthy, ID Soubache, A Farmani - Optical and Quantum …, 2022 - Springer
A low loss wavelength-selective filter in terahertz frequencies is proposed and
demonstrated. The proposed filter consists of a resonator placed in the air with a 15 μm and …

Analyte detection based on SPR in 12-fold quasi-periodic PCF

A Abbasiyan, M Noori, M Vakili, N Tourinezhad - Physica Scripta, 2021 - iopscience.iop.org
In this article, an SPR sensor based on 12-fold quasi-periodic PCF composed of Ge-doped
silica is introduced for analyte detection. The outer surface of the cladding is covered by a 40 …

Origin of the frequency-sensitive super-collimation phenomenon from the geometry of band dispersion surface for two-dimensional photonic crystals

M Zhang, JM Huang, XY Jiang - Optics Express, 2022 - opg.optica.org
Frequency-sensitive super-collimation (FSSC) is a novel dispersion phenomenon of
photonic crystals (PhCs) that can realize the beam collimating propagation with very high …