Designing a Novel High-Performance FBG-OADM Based on Finite Element and Eigenmode Expansion Methods
AbstractThis study designed a novel high-performance fiber Bragg grating (FBG) optical add/drop multiplexers (OADMs) by referring to current numerical simulation methods. The proposed FBG-OADM comprises two single-mode fibers placed side by side. Both optical fibers contained an FBG featuring identical parameters and the same geometric structure. Furthermore, it fulfills the full width at half maximum (FWHM) requirement for dense wavelength-division multiplexers (DWDMs) according to the International Telecommunication Union (i.e., FWHM < 0.4 nm). Of all related numerical calculation methods, the combination of the finite element method (FEM) and eigenmode expansion method (EEM), as a focus in this study, is the only one suitable for researching and designing large-scale components. To enhance the accuracy and computational performance, this study used numerical methods—namely, the object meshing method, the boundary meshing method, the perfectly matched layer, and the perfectly reflecting boundary—to simulate the proposed FBG-OADM. The simulation results showed that the novel FBG-OADM exhibited a −3 dB bandwidth of 0.0375 nm. In addition, analysis of the spectrum revealed that the drop port achieved the power output of 0 dB at an operating wavelength of 1550 nm. View Full-Text
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Yang, S.-C.; He, Y.-J.; Wun, Y.-J. Designing a Novel High-Performance FBG-OADM Based on Finite Element and Eigenmode Expansion Methods. Appl. Sci. 2017, 7, 44.
Yang S-C, He Y-J, Wun Y-J. Designing a Novel High-Performance FBG-OADM Based on Finite Element and Eigenmode Expansion Methods. Applied Sciences. 2017; 7(1):44.Chicago/Turabian Style
Yang, Sheng-Chih; He, Yue-Jing; Wun, Yi-Jyun. 2017. "Designing a Novel High-Performance FBG-OADM Based on Finite Element and Eigenmode Expansion Methods." Appl. Sci. 7, no. 1: 44.
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