一种空气圆孔缺陷的新型光子晶体光纤  

A New Photonic Crystal Fiber with Air Circular Hole Defect

作　　者：廖昆 李娇平 王斌 李芳 LIAO Kun;LI Jiaoping;WANG Bin;LI Fang(School of Mechanical and Electronic Engineering,Pingxiang University,Pingxiang Jiangxi337055;School of Social Management,Jiangxi College of Applied Technology,Ganzhou Jiangxi 341000,China)

机构地区：[1]萍乡学院机械电子工程学院,江西萍乡337055 [2]江西应用技术职业学院社会管理学院,江西赣州341000

出　　处：《萍乡学院学报》2024年第3期54-57,共4页Journal of Pingxiang University

基　　金：江西省教育厅科学技术研究项目青年项目“新型高双折射高非线性微结构光纤的特性研究”(GJJ191155);江西省教育厅科学技术研究项目青年项目“智能车辆的横纵向协同跟随控制及稳定性研究”(GJJ2202123)。

摘　　要：课题组提出了一款圆孔缺陷纤芯的高非线性、低损耗的新型光子晶体光纤,该设计提高了光纤基模的非线性值。研究利用全矢量有限元法对光纤基模的特性进行了仿真与分析,仿真结果显示:当λ=1.55μm时,得到了圆孔缺陷光纤基模的非线性系数为73.4W^(-1)·km^(-1),限制性损耗值为10^(-5)dB/km量级。这种设计实现了光纤的高非线性、低损耗等特性,为光纤传感、非线性光学等领域的研究提供了理论指导。In this paper,a new type of photonic crystal fiber with circular hole defect core with high nonlinearity and low loss is proposed.The design of the circular hole defect core improves the nonlinear values of the optical fiber fundamental mode.The characteristics of the optical fiber fundamental mode are simulated and analyzed by the full vector finite element method.The simulation results show that:whenλ=1.55μm,the nonlinear coefficients of the fundamental mode of circular hole defect fiber is 73.4 W^(-1)·km^(-1),and the confinement loss is the order of 10^(-5)dB/km.This design realizes the characteristics of the high nonlinear and low loss of the optical fiber,and provides theoretical guidance for the application of the optical fiber sensing and nonlinear optics.

关 键 词：光子晶体光纤 高非线性 低限制损耗 全矢量有限元法 

分 类 号：TN253[电子电信—物理电子学]