Analytical method for band structure calculation of photonic bandgap fibers with depressed index cladding rods |
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| Authors: | Huai Yu Meng Dora Juan Juan Hu |
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| Affiliation: | a RF, Optical Department, Institute for Infocomm Research, Agency for Science, Technology and Research (A*STAR), Singapore
b School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore |
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| Abstract: | An approximate analytical approach for revealing bandgap information for photonic band gap fibers with depressed index cladding rods is presented. The method considers isolated rods in cladding, with three layers structure: higher index in the core, lower-index depressed layer and silica cladding. Good consistency is found between the results of the approximate analytical method and those from accurate numerical simulations. |
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