复用器/解复用器级联对40Gb/s信号传输的影响  

Influence of Cascaded Multiplexers/Demultiplexers on 40 Gb/s Signal Trasmission

作　　者：陈宏伟[1] 高志国[1] 陈明华[1] 谢世钟[1] 周炳琨[1] 

机构地区：[1]清华大学电子工程系,北京100084

出　　处：《半导体光电》2004年第3期213-215,共3页Semiconductor Optoelectronics

基　　金：国家自然科学基金资助项目(90104003)

摘　　要：　对光网络中复用器/解复用器的级联对信号传输的影响进行了研究。分别讨论了在40Gb/s数据传输速率下,复用器/解复用器级联造成非归零码、载波压缩归零码和归零码等不同调制码型,以及不同占空比的归零码的码间干扰所导致的功率代价,分析了在复用器/解复用器滤波中心频率随机偏移的情况下,级联对信号传输的影响。The influence of cascaded multiplexers/demultiplexers on signal trasmission in optical networks is evaluated by computer simulation. The intersymbol interference of non-return-to-zero, return-to-zero with different duty cycles and carrier-suppressed return-to-zero formats caused by a series of arrayed waveguide grating(AWG) filters is numerically calculated at 40 Gb/s. The power penalties caused by the random misalignments of filters' central frequencies are also analyzed.

关 键 词：复用器/解复用器 功率代价 光网络 

分 类 号：TN929.11[电子电信—通信与信息系统]