10GHz低抖动增益开关DFB激光器  

10GHz Gain-Switched DFB Laser with Low Timing Jitter

作　　者：李玉华[1] 娄采云[1] 韩明[1] 王兆欣[1] 高以智[1] 

机构地区：[1]清华大学电子工程系,北京100084

出　　处：《Journal of Semiconductors》2001年第6期792-795,共4页半导体学报（英文版）

基　　金：国家"8 63"高技术计划基金;国家自然科学基金!资助项目 (批准号 :No.6973 80 10 )

摘　　要：采用国产管芯 ,利用增益开关效应获得了 10 GHz超短光脉冲 .利用自注入的方法 ,采用最简单的结构 ,减小了增益开关 DFB激光器光脉冲的时间抖动 ,使 10 GHz光脉冲的时间抖动小于 840 fs.研究了光脉冲抖动量对温度变化及微波驱动频率的敏感性 .利用线性压缩和梳状色散渐减光纤链获得 10 GHz、 5The gain-switched DFB pulse source has been obtained at 10GHz repetition rate with the DFB laser diode chips that are made in China.The optical timing jitter is reduced to 840fs by using the self-seeding injection based on a simple structure.The self-injection seeding sensitivity to the variations in temperature and modulating frequency has been measured.The 5ps Predestal-free Pulas Generation is achieved utilizing normal dispersion compensation and a Comb-like Dispersion Profiled Fiber Compressor.

关 键 词：DFB激光器 光脉冲产生 时间抖动 自种子注入 增益开关 

分 类 号：TN248.4[电子电信—物理电子学]