| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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Modeling 2D Gyromagnetic Photonic Crystals by Modified FDTD Method |
| LI Qing-Bo1,2, WU Rui-Xin1**, YANG Yan1, SUN Hui-Ling2 |
1Department of Electronic Sciences and Engineering, Nanjing University, Nanjing 210093
2School of Physics and Electronic Electrical Engineering, Huaiyin Normal University, Huai'an 223300
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| Cite this article: |
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LI Qing-Bo, WU Rui-Xin, YANG Yan et al 2013 Chin. Phys. Lett. 30 074208 |
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Abstract The band structures of two-dimensional (2D) gyromagnetic photonic crystals (PCs) are analyzed by a modified finite difference time domain (FDTD) method. A special implementation is used to tackle the magnetic constitution equation. This method avoids the discretizing complexity in the time domain caused by nonlinear frequency dependence of anisotropy permeability tensor, and therefore keeps the fully explicit nature of the original FDTD method. Our implementation is proved by the band structure calculations using other methods and the transmission measurements of 2D gyromagnetic PC involving circular ferrite rods and square rods.
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Received: 15 March 2013
Published: 21 November 2013
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| PACS: |
42.70.Qs
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(Photonic bandgap materials)
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07.05.Tp
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(Computer modeling and simulation)
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41.20.Jb
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(Electromagnetic wave propagation; radiowave propagation)
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