Research on transport properties of 9-fiber coupler with grid structure

Citation

王博 (Wang Bo), 唐海玲 (Tang Hai-ling). (2015). 9-纤方格型光纤耦合器的传输特性研究 (Research on transport properties of 9-fiber coupler with grid structure). 光电子技术 (Optoelectronic Technology), 36(7), 32-34. doi:10.13921/j.cnki.issn1002-5561.2015.07.010.

Keywords

  • optical fiber communication
  • optical fiber coupler
  • tunneling effect

Brief

Based on the sources, the paper studies the transmission characteristics of a 9-fiber grid coupler by numerically simulating how the initial light power distribution and fiber nonlinearity coefficient affect the dynamical properties of the optical signal.

Summary

The paper numerically simulates light propagation in a 9-fiber grid coupler. It finds that without nonlinearity or with small nonlinearity, the coupler's transmission is symmetric, with predictable oscillation patterns and power transfer, including significant tunneling to the diagonal fiber. However, increasing fiber nonlinearity breaks this symmetry and makes light propagation and power distribution within the fibers irregular and random.

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