Title page for etd-0008118-155955


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URN etd-0008118-155955
Author TING-YI LIN
Author's Email Address No Public.
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Department Electro-Optical Engineering
Year 2017
Semester 1
Degree Master
Type of Document
Language zh-TW.Big5 Chinese
Title Fused Biconical Fiber Couplers applies to wavelength division multiplexing for 2um
Date of Defense 2018-01-12
Page Count 55
Keyword
  • fused
  • taper
  • beam splitting
  • fiber couplers
  • Abstract 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.
    Advisory Committee
  • Ming Chang Shih - chair
  • Hsin-Hui Kuo - co-chair
  • Jau-Sheng Wang - advisor
  • Files
  • etd-0008118-155955.pdf
  • Indicate in-campus at 99 year and off-campus access at 99 year.
    Date of Submission 2018-01-16

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