Wave properties of an annular periodic multilayer structure containing the single-negative materials |
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| Authors: | Mei-Soong Chen Chien-Jang Wu Tzong-Jer Yang |
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| Affiliation: | aDepartment of Electrophysics, National Chiao-Tung University, Hsinchu 300, Taiwan;bInstitute of Electro-Optical Science and Technology, National Taiwan Normal University, Taipei 116, Taiwan;cDepartment of Electrical Engineering, Chung Hua University, Hsinchu 300, Taiwan |
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| Abstract: | The optical properties of an annular periodic multilayer structure containing two kinds of single-negative materials are theoretically investigated based on the transfer matrix method of the cylindrical waves. At the azimuthal mode number m 1 and near the magnetic plasma frequency and the electronic plasma frequency for the TE wave and TM wave, respectively, we find that there is an additional high-reflectance band and some reflection dips exist when the plasma frequency is located in the photonic band gap. These two special features arising from the higher order azimuthal mode of the cylindrical waves are not seen in the planar one-dimensional Bragg reflector consisting of the single-negative materials. Such filtering responses provide a feasible way of designing a narrowband resonator without physically introducing any defect layer in the structure. |
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| Keywords: | Annular Bragg reflectors Single-negative materials Transfer matrix method Optical properties |
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