高容量波分复用网络中下一代光交叉连接(OXC)的设计

Design of Next Generation Optical Cross Connect(OXC)in High Capacity Wavelength Division Multiplexing Network

为满足高容量波分复用网络的应用需求,设计下一代光交叉连接(Optical Cross Connection,OXC)。鉴于通信技术的迅速发展和网络需求的不断增长,主要介绍波分复用(Wavelength Division Multiplexing,WDM)网络基础知识和下一代OXC的设计要求,分析液晶光开关、微机电系统(Micro-Electro-Mechanical System,MEMS)光开关、光波导开关、光学包交换技术以及自适应调度与控制算法等关键设备与技术的优缺点和应用场景。研究结果表明,采用液晶光开关和光波导光开关等设备,能实现高容量波分复用网络的高容量传输,从而提高网络的灵活性、降低能耗。

In order to meet the application requirements of high-capacity wavelength division multiplexing networks,the next generation Optical Cross Connection(OXC)is designed.In view of the rapid development of communication technology and the increasing network demand,this paper mainly introduces the basic knowledge of Wavelength Division Multiplexing(WDM)network and the design requirements of the next generation OXC,and analyzes the advantages and disadvantages and application scenarios of key equipment and technologies such as liquid crystal optical switch,Micro-Electro-Mechanical System(MEMS)optical switch,optical waveguide switch,optical packet switching technology and adaptive scheduling and control algorithm.The research results show that the use of liquid crystal optical switch and optical waveguide optical switch can realize high-capacity transmission of high-capacity wavelength division multiplexing network,thus improving the flexibility of the network and reducing energy consumption.