Photonic band gap and defect mode from a layered periodic structure with anisotropic nonmagnetic right-handed and left-handed metamaterials |
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Authors: | Tingting Tang Xianqiong Zhong Wenli Liu |
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Institution: | College of Optoelectronic Technology, Chengdu University of Information Technology, Chengdu 610225, China |
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Abstract: | We demonstrate a photonic band gap (PBG) from a layered periodic structure containing anisotropic nonmagnetic right-handed and left-handed metamaterials whose permittivity elements are partially negative. A set of criteria imposed on materials and structures to realize a PBG is derived, and the transmission spectra are also discussed. When a defect layer is introduced, some unusual properties are found in contrast to that of a defect mode in ordinary PBG structures. |
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Keywords: | Anisotropic Nonmagnetic Left-handed metamaterial PBG Defect mode |
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