Tunable Few-mode Fiber Coupler Based on Side Polishing

Tunable Few-mode Fiber Coupler Based on Side Polishing

Citation

尹晓康 (Yin Xiaokang), "基于侧边抛磨的可调谐少模光纤耦合器 (Tunable Few-mode Fiber Coupler Based on Side Polishing)," 硕士专业学位论文 (Master's Thesis), 北京交通大学 (Beijing Jiaotong University), 2023年 7月

Keywords

  • Tunable few-mode fiber coupler
  • Side polishing
  • Mode coupling
  • Coupling coefficient
  • Splitting ratio
  • Fiber coupler
  • Optical fiber
  • Evanescent field
  • Side-polished fiber
  • Refractive index matching liquid
  • Wheel polishing method
  • Micron-level polishing precision
  • Mode theory
  • Scalar mode
  • Vector mode
  • Excess loss
  • Wavelength tunability (implied by "tunable)
  • Fiber optic communication
  • Fiber optic sensing

Brief

This Master's thesis investigates the theoretical analysis and experimental study of tunable few-mode fiber couplers fabricated using the side-polishing method to achieve adjustable optical signal splitting.

Summary

This master's thesis focuses on creating tunable few-mode fiber couplers using a side-polishing technique. The author, Yin Xiaokang, conducted theoretical analysis based on mode coupling theory, simulated the coupler's behavior under different fiber parameters like core spacing, and experimentally fabricated and tested a prototype.

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