摘要
提出了一种新型的40 Gb/s全光串并转换(AOSPC)的实现方案,该系统主要由波分/时分脉冲光源的产生与顺序多波长变换两个部分构成。实现了信道波长数目和重复频率可调的波时分脉冲光源;分析了基于单个半导体光放大器(SOA)中的交叉相位调制效应(XPM)实现顺序多波长变换的原理,并在此基础上采用顺序多波长变换技术实现了将40 Gb/s的串行输入光信号转换为8路5 Gb/s的并行输出信号。该技术可将高速率的光信号转换成为多路低速率信号,进而可以使用现有的电子器件对信号进行处理,为下一步的光分组交换中的报头处理技术和光随机存取存储器(RAM)的研究提供了一种可行的思路。
A novel all-optical serial to parallel converter is proposed.The scheme mainly consists of time-and-wavelength-interleaved pulse train generation and the sequential multi-wavelength conversion based on the cross-phase modulation（XPM） of a single semiconductor optical amplifier（SOA）.Using super-continuous spectrum generation in high nonlinear fiber,a time-and-wavelength-interleaved pulse source is generated with tunablity of both channel wavelength and bit rate.And the all-optical serial to parallel conversion has been implemented based on sequential multi-wavelength conversion in SOA.In the experiment,40 Gb/s serial optical signals are converted into 8-channel 5 Gb/s parallel optical signals.It should be pointed out that,this technique can achieve the all optical serial-to-parallel conversion of more than 100 channels without remarkably increasing the insertion losses,which will be a solid preparation for optical label processing and random access memory（RAM） technique in packet switching networks.
出处
《光学学报》
EI
CAS
CSCD
北大核心
2011年第5期36-39,共4页
Acta Optica Sinica
基金
国家自然科学基金重点项目(60736035)
国家自然科学基金(60977053)
国家973计划(2010CB327603)
天津市自然科学基金(06YFJMJC01400)资助课题
关键词
光通信
光分组交换
串并转换
波分/时分光脉冲
顺序多波长变换
optical communications
optical packet switching
all-optical serial-to-parallel converter（AOSPC）
time-and wavelength-interleaved pulse train
sequential multiwavelength conversion（SMWC）
