Fused Biconical Fiber Couplers applies to wavelength division multiplexing for 2um
| Autor: | TING-YI LIN, 林庭誼 |
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| Rok vydání: | 2018 |
| Druh dokumentu: | 學位論文 ; thesis |
| Popis: | 106 The purpose of this study is to design a 1 × 2 single-mode fiber coupler that based on the variability of fibers, fusing process and to analyze it theoretically. We design the various couplers with this conception. In order to analyze the designed couplers, we use the three-dimensional Finite-Difference Time-Domain (3D-FDTD) method to perform the simulation with Optical Simulation Software, Rsoft and integrate the results of symmetric and asymmetric directional couplers. First we formulate all factors of fiber couplers and then simulate the influence of each parameter on couplers (coupling efficiency, full width at half maximum, coupling wavelength, etc.) Therefore, it is possible to design couplers which can select FWHM and coupling efficiency at each coupling wavelength. We transform the difference between the refractive index of fiber''s core with cladding, wherefore design that can transmit above the 1.6um wavelength. Finally, the coupling wavelength and spectral bandwidth can be tuned as an example for couplers of 2um wavelength. |
| Databáze: | Networked Digital Library of Theses & Dissertations |
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