4芯光纤WDM器件技术研究  

Research on Four Core Fiber WDM Device Technology

作　　者：陈丽[1,2,3] 肖清明 王敏 蒋磊 CHEN Li;XIAO Qingming;WANG Min;JIANG Lei(Wuhan Research Institute of Posts and Telecommunications,Wuhan 430074,China;State Key Laboratory of Optical Communication Technologies and Networks,Wuhan 430074,China;Accelink Technologies Co.,Ltd.,Wuhan 430205,China)

机构地区：[1]武汉邮电科学研究院,武汉430074 [2]光通信技术和网络全国重点实验室,武汉430074 [3]武汉光迅科技股份有限公司,武汉430205

出　　处：《光通信研究》2024年第6期66-71,共6页Study on Optical Communications

基　　金：国家重点研发计划资助项目(2020YFB1805903)。

摘　　要：空分复用技术是提高光通信系统传输容量的有效方法之一,主要技术包括多芯光纤(MCF)、少模复用和轨道角动量复用等,其中MCF技术是空分复用技术中较成熟的一种。【目的】为解决光通信传输系统中容量受限的问题,文章设计和研制了一种新型的4芯光纤波分复用(WDM)器件。【方法】文章首先对WDM、空分复用、MCF和MCF耦合技术等进行分析,选取了以毛细管、透镜和腐蚀光纤方案制作的4芯扇入扇出器件为媒介,然后利用MCF和WDM技术相结合的方法,从4芯光纤的选取、4芯WDM调试原理和调试方法出发,最后利用4芯扇入扇出器件设计和研制了一种新型的4芯WDM原样,并利用4芯扇入扇出器件使用差值法对文章研制器件进行了指标测试。【结果】根据实验样品测试的结果显示,该4芯WDM原样1的各反射端和透射端的插入损耗能够控制在0.8 dB以内,反射端的各路隔离度>15 dB,透射端的各路隔离度≥40 dB。【结论】根据测试结果可得到以下结论:与传统单芯WDM方案相比,在同样器件体积下,新型4芯WDM原样可以实现4路通信,极大地提高了光通信容量,同时,填补了国内外对基于MCF技术的空分复用光器件研究的空缺,并且拓展了空分复用的应用范围,让MCF具有长距离传输的潜能。基于空分复用系统制作的WDM器件,在光纤通信系统中具有广泛的应用前景。Space division multiplexing technology is one of the effective ways to improve the transmission capacity of optical communication system.The main technologies include Multi Core Fiber(MCF),few mode multiplexing and orbital angular momentum multiplexing,among which MCF technology is a mature one.【Objective】To solve the problem of capacity limitation in optical communication system,this article designed and developed a new four-core Wavelength Division Multiplexing(WDM)original sample.【Methods】Firstly,the technology of WDM,air division multiplexing,MCF and multicore fiber coupling is analyzed.The four core fan-in fan-out device made with capillary,lens and etch fiber is selected as the medium.Then,by combining MCF technology and WDM technology,starting from the selection of four-core fiber,the debugging principle and debugging method of four-core WDM,a new four-core WDM original sample is designed and developed by using four-core fan-in fan-out device.The index of the device is tested by using the difference method of four-core fan-in fan-out device.【Results】According to the test results of the experimental samples,the insertion loss of each reflection end and transmission end of the original four-core WDM 1 can be controlled within 0.8 dB,the isolation degree of each reflection end is>15 dB,and the isolation degree of each transmission end is≥40 dB.【Conclusion】According to the test results,the following conclusions can be drawn:compared with the traditional single-core WDM scheme,the new four-core WDM can realize four-channel communication under the same device volume,and greatly improve the optical communication capacity.At the same time,it fills the gap in the research of air division multiplexing optical devices based on MCF technology and expands the application range of air division multiplexing,demonstrating the potential of multi-core fiber based long-distance transmission.WDM device based on space division multiplexing system has a wide application prospect in optical fiber communication

关 键 词：空分复用 多芯光纤 波分复用技术 光纤耦合技术 

分 类 号：TN256[电子电信—物理电子学]