Numerical Study of Transmission Characteristics on Dispersion-Flattened HIC Bragg Fibers

QIN Yao; ZHENG Jia-jin; LEI Wen-jie; WEI Wei

doi:10.13756/j.gtxyj.2018.04.006

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Numerical Study of Transmission Characteristics on Dispersion-Flattened HIC Bragg Fibers

- Numerical Study of Transmission Characteristics on Dispersion-Flattened HIC Bragg Fibers
- Study on Optical communication Issue 4, Pages: 22-25(2018)
- 作者机构：
  
  1. 南京邮电大学电子与光学工程学院微电子学院
  2. 中国科学院西安光学精密机械研究所瞬态光学与光子技术国家重点实验室
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2018.04.006
  CLC： TN253
- Published：2018，
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[1]覃瑶,郑加金,雷雯婕,韦玮.色散平坦的HIC Bragg光纤传输特性研究[J].光通信研究,2018(04):22-25+65.

QIN Yao, ZHENG Jia-jin, LEI Wen-jie, et al. Numerical Study of Transmission Characteristics on Dispersion-Flattened HIC Bragg Fibers. [J]. (4):22-25(2018)
[1]覃瑶,郑加金,雷雯婕,韦玮.色散平坦的HIC Bragg光纤传输特性研究[J].光通信研究,2018(04):22-25+65. DOI： 10.13756/j.gtxyj.2018.04.006.

QIN Yao, ZHENG Jia-jin, LEI Wen-jie, et al. Numerical Study of Transmission Characteristics on Dispersion-Flattened HIC Bragg Fibers. [J]. (4):22-25(2018) DOI： 10.13756/j.gtxyj.2018.04.006.

摘要

布拉格（Bragg）光纤是一种由空气孔芯和高低折射率介质层交替周期性排列的包层两部分构成的一维光子晶体光纤。文章以碲酸盐玻璃为基质

设计了一种高折射率实芯Bragg光纤

并采用传输矩阵法和Bloch理论数值研究了其传输特性

获得了实芯Bragg光纤的结构参数与其模场分布、色散特性等传输特性之间的关系。仿真实验结果表明

当Bragg光纤的填充率d/Λ为0.15、半径R为5μm、折射率差Δn为0.02、周期Λ为1.2μm和包层为3个周期时

Bragg光纤在1 064nm零色散波长附近具有最平坦的色散特性

同时还具有非常低的传输损耗

损耗值为0.775dB/m。

Abstract

The tellurite High-Index-Core（HIC）Bragg fibers have been regarded as a new type of photonic crystal fiber

which confine the modes in the core through total reflection and Photonic Bandgap（PBG）.The transmission characteristics of HIC Bragg fiber have been analyzed using the transfer matrix and Bloch theory methods.We design the HIC Bragg fiber with flat chromatic dispersion and low loss of 0.775 dB/m on the 1 064 nm.It is numerically shown that flat chromatic dispersion of HIC Bragg fiber can be generated at the conditions of the filling ratio of d/Λ =0.15

the core radius of R =5μm

refractive-index contrast ofΔn =0.02

the radial multilayer period ofΛ =1.2μm and the cladding layers of N =6.The zero dispersion point is also located at 1 064 nm.

关键词

高折射率实芯Bragg光纤传输矩阵传输特性色散平坦

Keywords

HICBragg fibertransfer matrixtransmission characteristicsflat chromatic dispersion

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Research Center of Optical Communication Engineering & Technology

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