Dispersion Characteristics and Phase Index of One-Dimensional Magnetized Ferrite Photonic Crystals in Transverse Magnetization Configuration for TE Modes
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The dispersion characteristics and phase index of magnetized one-dimensional ferrite photonic crystals in transverse magnetization for transverse electric modes are investigated. The dispersion relation and expression for phase index are derived by using transfer matrix method. The effects of structural parameters such as external magnetic fields, filling factor, and β on dispersion properties and phase index are investigated. The dielectric nature of the considered magnetized ferrite photonic crystal structure is demonstrated. Also, the band structure for ω < 1.5 × 1010 rad s− 1 is strongly affected by external magnetic fields. It is observed that phase index occurs in the form of lobes and is found to be controlled by external magnetic field, β, and filling factor.
KeywordsFerrite photonic crystal Photonic band gap Dispersion property Filling factor Phase index
The author Yogesh Sharma is grateful to Dr. Vivek Singh, Prof. A. K. Singh, Prof. R. D. S. Yadava, and Prof. D. P. Singh for their continuous encouragement and support in many ways.
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