Enhancement of the defect field of one-dimensional photonic crystals containing <Emphasis Type="Italic">ε</Emphasis>-and <Emphasis Type="Italic">μ</Emphasis>-negative layers |
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Authors: | Yuntuan Fang Zhili Lin |
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Institution: | (1) Department of Physics, Zhenjiang Watercraft College, Zhenjiang, 212003, China;(2) Department of Microelectronics and Applied Physics, Royal Institute of Technology, SE-164 40 Kista, Sweden |
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Abstract: | Employing the transfer matrix method, we study the electromagnetic field of one-dimensional photonic crystals with a defect
inserted by pairs of μ-negative (MNG) and ε-negative (ENG) material layers. The fields within the pairs of layers and the matrix defect are independent of each other,
and the whole field is their superposition. The whole defect field can be significantly enhanced by pairs of ε-negative and μ-negative layers. In contrast to the conventional defect modes, the intensity and volume of the defect field with pairs of
ε-negative and μ-negative layers can be precisely adjusted. |
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Keywords: | one-dimensional photonic crystals ε -negative materials μ -negative materials defect field |
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