Tunable ultra-wideband band-stop filters based on a metal-insulator-metal waveguide with triangle resonators

Year 2024, Volume: 24 Issue: 6, 1395 - 1402, 02.12.2024

Semih Korkmaz

https://doi.org/10.35414/akufemubid.1446467

Abstract

This study introduces the design and analysis of ultra-wideband band-stop filters based on a metal-insulator-metal (MIM) waveguide with triangle resonators. The optical features of the filters are determined numerically. Transmission values and field distributions have been obtained. To show the tunability of the resonances of the filters, parameter sweep analysis has been done. This feature provides the shifted wideband bandwidths from visible to mid-infrared regimes. The highest bandwidth is 859 nm for band-stop filtering in this work. Higher bandwidths can be achieved by increasing the number of resonators adjacent to the waveguide. This research offers the potential to improve the filtering capabilities of optical devices through the use of high-efficiency MIM waveguide-resonator systems.

Keywords

Ultra-wideband, bandwidth, triangle resonators, transmission, field distributions, band-stop filter

Üçgen rezonatörlü metal-yalıtkan-metal dalga kılavuzu temelli ayarlanabilir ultra-genişbant bant durdurma filtreleri

Abstract

Bu çalışma, üçgen rezonatörlü metal-yalıtkan-metal (MIM) dalga kılavuzu temelli ultra-genişbant bant durdurma filtrelerinin tasarımını ve analizini tanıtmaktadır. Filtrelerin optik özellikleri nümerik olarak belirlendi. İletim değerleri ve alan dağılımları elde edildi. Filtrelerin rezonanslarının ayarlanabilirliğini göstermek için parametre tarama analizi yapılmıştır. Bu özellik, genişbant bant genişliklerinin görünürden orta kızılötesi bölgelere kaydırılmasını sağlar. Bu çalışmada, bant durdurma filtrelemesi için en yüksek bant genişliği 859 nm'dir. Dalga kılavuzuna bitişik bir şekilde rezonatörlerin sayısı artırılarak daha yüksek bant genişlikleri elde edilebilir. Bu araştırma, yüksek verimli MIM dalga kılavuzu-rezonatör sistemlerinin kullanımı yoluyla optik cihazların filtreleme yeteneklerini geliştirme potansiyeli sunmaktadır.

Keywords

Ultra-genişbant, bant genişliği, üçgen rezonatörler, iletim, alan dağılımları, bant-durdurma filtresi

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