色散监测技术的研究与发展现状  

Study on chromatic dispersion monitoring technology and its present status of development

作　　者：方晓之[1,2,3] 崔晟[1,2,3] 孙思民[1,2,3] 

机构地区：[1]下一代互联网接入系统国家工程实验室,湖北武汉430074 [2]华中科技大学光电子科学与工程学院,湖北武汉430074 [3]武汉国家光电实验室,湖北武汉430074

出　　处：《光通信研究》2012年第3期7-10,共4页Study on Optical Communications

基　　金：国家"九七三"计划资助项目(2010CB328305);国家自然科学基金资助项目(61007043)

摘　　要：自适应色散补偿技术是高速光纤通信系统中的核心技术之一,而对光信号色散进行动态实时监测是实现自适应色散补偿的关键。系统地总结了色散监测技术的研究与发展现状,对各种动态色散监测技术的机制、特点及其实现进行了分析比较,并重点介绍了全光色散监测技术和基于数字相干检测的色散监测技术,探讨了其未来的发展方向。Adaptive dispersion compensation is one of the core technologies of ultrahigh rate fiber-optic communication networks and dynamic on-line monitoring on optical signal dispersion is the key to adaptive dispersion compensation.In this paper,we systematically review the study on dispersion monitoring technologies and its present status of development and analyze and compare their mechanisms,features and implementations.Above all,we put emphasis on introducing the all-optical and digital coherent detection-based dispersion monitoring technologies and discuss the tendency of their future development.

关 键 词：色散 光纤通信 全光色散监测 数字相干检测 

分 类 号：TN915[电子电信—通信与信息系统]