Temporal Coupled-Mode Theory and the Combined Effect of Dual Orthogonal Resonant Modes in Microstrip Bandpass Filters

Yu, Faxin; Wang, Yang; Wang, Zhiyu; Zheng, Qin; Zhou, Min; Guo, Dajie; Xu, Ding; Wang, Liping; Chen, Hua; Shang, Yang; Huang, Zhengliang

doi:10.1109/tmtt.2014.2381256

Cited by 6 publications

(3 citation statements)

References 33 publications

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“…The energy can propagate through two coupling ways. One is direct coupling between two feed lines, the other one is the coupling from one feed line to the other via the N‐modes of the resonators .…”

Section: General Cmt For N‐mode Filtersmentioning

confidence: 99%

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The design and test of dual/triple-mode bandpass filter based on temporal coupled-mode theory

et al. 2016

Int J RF and Microwave Comp Aid Eng

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In this article, the design and test of both a K-band dual-mode bandpass filter (BPF) pair and a K-band triple-mode BPF are presented based on N-mode temporal coupledmode theory (CMT). The expressions of transmission and reflection responses are analytically derived. All the parameters in the expressions have clear physical meanings and are easily optimized to reach the required filter performance. Aided by eigenmode simulations, concrete structures of the three integrated BPFs are designed and optimized to approach the calculated physical parameters. After the fabrications and measurements of the three BPFs, extended upper/lower stopband with high stopband rejections are achieved, and by increasing the number of resonant modes, improved frequency selectivity and better passband flatness are obtained. The analytical analysis well predicts the simulation and measurement results, which provides an efficient way for BPF designs. V C 2016 Wiley Periodicals, Inc. Int J RF and Microwave CAE 00:000-000, 2016.

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Section: General Cmt For N‐mode Filtersmentioning

confidence: 99%

“…However, they have several limits, such as inaccuracy, not consider the effect of losses in resonators. However, the temporal coupled‐mode theory has special advantages. It gives simple equations to express the frequency response, which contains all the physical parameters of the designed BPF.…”

Section: Introductionmentioning

confidence: 99%

The design and test of dual/triple-mode bandpass filter based on temporal coupled-mode theory

et al. 2016

Int J RF and Microwave Comp Aid Eng

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“…(4) and (5). The fourth term in the same expressions indicates that the two waveguides are mutually coupled, and although the coupling is very weak, it contributes to the existence of the pair of symmetrically positioned transmission zeros [30].…”

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confidence: 97%

High-Resolution Plasmonic Filter and Refractive Index Sensor Based on Perturbed Square Cavity with Slits and Orthogonal Feeding Scheme

Janković

2018

Plasmonics

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We present a plasmonic bandpass filter and refractive index sensor based on perturbed square cavity resonator with slits, which is fed by orthogonally oriented feeding waveguides. The slits provide size reduction in comparison to conventional square cavities and better coupling to the waveguides, while the perturbation and orthogonal feeding scheme provide a pair of transmission zeros in the response of the structure. In that manner, a bandpass filter with high transmission, narrow bandwidth, and excellent selectivity can be readily designed. Moreover, with a slight modification of the structure, a very sharp Fano-like response can be obtained and employed for refractive index sensing with high sensitivity and figure of merit.

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Photonic crystal add–drop filter: a review on principles and applications

Bazian

2020

Photon Netw Commun

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Temporal Coupled-Mode Theory and the Combined Effect of Dual Orthogonal Resonant Modes in Microstrip Bandpass Filters

Cited by 6 publications

References 33 publications

The design and test of dual/triple-mode bandpass filter based on temporal coupled-mode theory

The design and test of dual/triple-mode bandpass filter based on temporal coupled-mode theory

High-Resolution Plasmonic Filter and Refractive Index Sensor Based on Perturbed Square Cavity with Slits and Orthogonal Feeding Scheme

Photonic crystal add–drop filter: a review on principles and applications

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