骨干全光网技术发展趋势探讨  

Discussion on technology development trends of backbone all-optical network

作　　者：吕凯 唐建军[1] 张安旭 李俊杰[1] LYU Kai;TANG Jianjun;ZHANG Anxu;LI Junjie(China Telecom Research Institute,Beijing 102209,China)

机构地区：[1]中国电信股份有限公司研究院,北京102209

出　　处：《信息通信技术与政策》2021年第12期41-47,共7页Information and Communications Technology and Policy

基　　金：国家重点研发计划项目(No.2018YFB1801200)资助。

摘　　要：面向新基建,中国电信提出“云网融合”转型战略,率先提出和践行“全光网”理念。其中,骨干全光网先行一步,目标是形成一张覆盖全国的一二干线融合骨干全光网络,夯实新型信息基础设施的带宽基石。基于需求分析,对中国电信骨干全光网当前采用的技术以及未来发展趋势进行深入分析,包括高速大容量全光传输、扩展波段、新型光纤、全光交换等技术。对相关技术研究和产业发展工作提供参考,共同推动全光网技术的发展。Facing the new infrastructure construction,China Telecom put forward the transformation strategy of“Integration of cloud and network”,and took the lead in proposing and practicing the concept of“all-optical network”.Among them,the backbone all-optical network is the first step,the goal is to form an inter-province and intra-province integrated backbone all-optical network covering the whole country,and consolidate the bandwidth cornerstone of the new information infrastructure.Based on the demand analysis,this paper makes an in-depth analysis on the current technology and future development trend of China Telecom backbone all-optical network,including high speed large capacity optical transmission,extended band,new type of optical fiber,all-optical switching technology,etc.Hope to provide reference for related technology research and industrial development work,and jointly promote the development of all-optical network technology.

关 键 词：全光网 骨干全光网 WDM ROADM 

分 类 号：TN929.11[电子电信—通信与信息系统]