七芯光纤选模方式的研究  

Research on Mode Selection of Seven Core Optical Fiber

作　　者：巩玲仙 郭红英 任国凤 王春灿[2] GONG Lingxian;GUO Hongying;REN Guofeng;WANG Chuncan(Department of Electronics,Xinzhou Teachers University,Xinzhou,China;Institute of Lightwave Technology,Beijing Jiaotong University,Beijing,China)

机构地区：[1]忻州师范学院电子系,山西忻州 [2]北京交通大学光波技术研究所,北京

出　　处：《光电技术应用》2022年第2期48-51,共4页Electro-Optic Technology Application

基　　金：新型结构的大模场多芯光纤的研究(2019KY05);虚拟仿真技术融入传感检测类课程混合式教学模式的探索与实践(J2020282)。

摘　　要：针对七芯大模场多芯光纤进行选模方式的研究,分别研究了传统塔尔伯特腔选模方式与微芯径选模方式。以七芯光纤为例,对传统塔尔伯特腔选模方式进行理论分析与仿真,对多芯光纤中各个超模与其他模式的耦合因子进行分析。另外分析了一种新型选模机制,即利用微芯径光纤进行选模。并与传统塔尔伯特腔进行比较,证明微芯径光纤选模机制对多芯光纤中同相位超模的选择更方便简单,在实际应用中具有很大潜力。Two mode selection methods are studied for 7-core large mode field fiber.One is the traditional Talbot cavity mode selection,and the other is the micro core diameter mode selection.Taking seven core fiber as an example,the mode selection mode of traditional Talbot cavity is theoretically analyzed and simulated,and the coupling factors between each super-mode and other modes in multi-core fiber is analyzed.In addition,a new mode selection mechanism is analyzed,that is,micro core diameter fiber is used for mode selection.Compared with the traditional Talbot cavity,it is proved that the mode selection mechanism of micro core diameter fiber is more convenient and simple to select the in-phase super-mode in multi-core fiber,which has great potential in practical application.

关 键 词：多芯光纤 选模方式 大模场 空气孔 

分 类 号：TN929.11[电子电信—通信与信息系统]