Excitation Schemes of Plasmonic Angular Ring Resonator-Based Band-Pass Filters Using a MIM Waveguide

Abstract

This article describes the analysis and design of the excitation schemes of the plasmonic angular ring resonator-based band-pass filters using a metal-insulator-metal (MIM) waveguide. The excitation schemes of the plasmonic angular ring resonator-based band-pass filters have been analyzed in terms of their physical length by using commercially available electromagnetic full-wave simulation software (CST microwave studio). The excitation schemes of the plasmonic angular ring resonator-based band-pass filter using a MIM waveguide have been realized at the optical O (1260–1360 nm) and U (1625–1675 nm) bands, respectively, as it has dual-band characteristics. The excitation schemes of the plasmonic angular ring resonators have been designed and simulated to determine the variation in transmission and reflection coefficients. The magnetic field distribution of the proposed filters was observed. The ring resonators require low power and had a compact size, which was further used for the development of photonic integrated circuits (PICs). The applications of these resonators are further extended and they are used in the development of antennas, branch line couplers, directional couplers and diplexers.

Keen Investigation of the Electromagnetic Scattering Characteristics of Tiltrotor Aircraft Based on Dynamic Calculation Method

“…The schematic diagram of the dynamic electromagnetic scattering of the tiltrotor aircraft is shown in Figure 1, where A c1 represents the tilt angle of cabin 1, α represents the azimuth angle between the radar station and the aircraft, β represents the elevation angle between the radar station and the aircraft [29][30][31][32], A r1 is the rotation angle of rotor 1. In fixed-wing mode, the rotation of the rotor and the tilt of the rotor cabin will change the radar stealth characteristics of the aircraft [33,34], especially in the heading direction.…”

An Ultra-Wideband Bandstop Plasmonic Filter in Mid-Infrared Band Based on Metal-Insulator-Metal Waveguide Coupled with an Hexagonal Resonator

“…So far, optical plasmonic filters are among the systems that have recently attracted the interest of researchers, which is the subject of recent research due to their good characteristics and easy fabrication Therefore, many types of filters have been designed such as band-pass filters (Duan et al, 2014;Setayesh et al, 2011), band-stop filters (Chen et al, 2016), demultiplexing filters (Zhang et al, 2018;Hu and Zhou, 2011), Bragg reflector filters (Tao et al, 2014;Kim et al, 2008). These devices are based on MIM waveguides coupled with a cavity resonator that takes many shapes such as circular ring resonator (Zheng et al, 2013(Zheng et al, , 2012, rectangular ring resonator (Chang and Chen, 2015), square ring resonator (Osman et al, 2019), angular ring resonator (Mittapalli and Khan, 2019). As is well known, features of band-stop plasmonic filters (BSFs) are the wider bandgap width and hight pass band transmission.…”

Multiplexed supercell metasurface design and optimization with tandem residual networks

“…Nanophotonic structures, including metasurfaces and metamaterials, have greatly expanded our ability to tailor light-matter interaction and deliver new functionalities for information processing and sensing applications [1], [2], [3], [4]. As demand for advanced capabilities and high-performance nanophotonic devices grow, multimodal implementations with interconnected ensembles of optical subcomponents, including in supercells, have shown great promise in delivering tailored responses with respect to many optical characteristics [5], [6], [7], [8].…”