A simplified dispersion-compensation microstructure fiber with seven cores
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1. Intelligence and Information Engineering College, Tangshan University, Tangshan 063000, China;2. School of Information Science and Engineering, Yanshan University, Qinhuangdao 066004, China

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    Abstract:

    In order to compensate the dispersion accumulated in a single mode fiber (SMF) for higher communication capacity, a simplified dispersion-compensation microstructure fiber (DC-MSF) with seven cores is proposed in this paper. The fiber’s cladding is made of pure silica without air holes, and its outer cores are composed of six germanium up-doped cylinders, which has the advantage of simple structure. The finite element method (FEM) and beam propagation method (BPM) are used to study the properties of the fiber, and the relationship between the structural parameters of the fiber and the dispersion, as well as the phase matching wavelength, is obtained. By optimizing the structural parameters of the fiber, the dispersion of the fiber can reach −5 291.47 ps.nm-1.km-1 at 1 550 nm, and the coupling loss to the conventional single-mode fiber is only 0.137 dB. Compared with the conventional dispersion-compensation fiber, the fiber has lots of advantages, such as single mode transmission, easy to fabricate and low coupling loss with traditional SMF, etc.

    Reference
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LI Wenchao, WANG Chao, YANG Hongda, HANG Ying,,WANG Wei. A simplified dispersion-compensation microstructure fiber with seven cores[J]. Optoelectronics Letters,2024,20(4):216-221

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History
  • Received:July 13,2023
  • Revised:September 27,2023
  • Online: March 05,2024
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