Design of a metallic photonic crystal high power microwave mode converter

Wang, Dong; Xu, Sha; Yan-Wei, Cao; Qin, Fen

doi:10.7498/aps.63.018401

Cited by 2 publications

(1 citation statement)

References 12 publications

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“…Another approach involves using photonic crystals to control EM waves in the waveguide. The tapered-slot mode converter and the photonic crystal structure mentioned in References [28,29] are examples of this approach. The tapered-slot mode converter facilitates the transition of electromagnetic waves to a larger-scale mode in a terahertz silicon photonic-crystal waveguide, enabling real-time error-free data transmission and wireless transmission of uncompressed 4K high-definition video.…”

Section: Introductionmentioning

confidence: 99%

Design and Test of Embedded Reconfigurable Mode Converter Based on Spontaneous Deformable Materials

Wang,

Zhang,

2023

Materials

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The mode converter, as a passive mode conversion device in transmission lines, is well-investigated and widely implemented in various electromagnetic systems. However, most traditional mode converters can only realize a single conversion mode. Thus, a mode converter achieving multiple controllable output modes is urgently needed. In this paper, a reconfigurable mode converter operating in the microwave range is achieved by embedding a deformable all-dielectric material with quadrilateral shape into a rectangular waveguide based on coupled-mode theory. It can achieve different target modes with controllable output for the same input by exciting the deformable all-dielectric material. The design principle of the mode converter is expounded concretely and simulation is carried out using HFSS software 2022 R2. Experimental results, consisting of the simulation results, demonstrate that the proposed mode converter can achieve various mode conversions with mode purity higher than 95%. This article innovatively applies deformable materials to waveguide mode conversion, expanding the application of deformable memory materials in electromagnetic devices.

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Section: Introductionmentioning

confidence: 99%

Design and Test of Embedded Reconfigurable Mode Converter Based on Spontaneous Deformable Materials

Wang,

Zhang,

2023

Materials

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A novel eigenvalue method for calculating the band structure of lossy and dispersive photonic crystals

Wang¹,

Sha²,

Huang³

et al. 2014

Acta Phys. Sin.

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A novel eigenvalue method is proposed to calculate the band structure of lossy and dispersive photonic crystal (PC). Using an idea from quantum transport problem, a standard linear eigenvalue equation rather than a nonlinear eigenvalue equation is obtained by a rigorous and artful transformation. And the physical parameters of lossy and dispersive PC are obtained by solving the linear eigenvalue equation using finite-difference frequency-domain (FDFD) method. Compared with other methods, the proposed method has great features, such as clear concept, simple calculation, less computing time and storage. A dielectric PC is simulated by the proposed method, and the results accord well with those from the traditional FDFD method, which verifies the validity of the proposed method. Moreover, the dispersion relation of the lossy and dispersive PC is calculated by the proposed method, and the surface plasmon frequency is obtained. Furthermore, the influence of loss on the dispersion relation and eigenmode field distribution is studied. The results provide some theoretical guidance for studying the lossy and dispersive PC.

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Design of a metallic photonic crystal high power microwave mode converter

Cited by 2 publications

References 12 publications

Design and Test of Embedded Reconfigurable Mode Converter Based on Spontaneous Deformable Materials

Design and Test of Embedded Reconfigurable Mode Converter Based on Spontaneous Deformable Materials

A novel eigenvalue method for calculating the band structure of lossy and dispersive photonic crystals

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