光模数转换系统中幅度不均匀性的仿真  

Analysis of the amplitude fluctuation of the sampling clock in high-speed optical analog-to-digital conversion system

作　　者：李思其[1] 吴龟灵[1] 神祥明[1] 郭攀[1] 邹卫文[1] 陈建平[1] 

机构地区：[1]上海交通大学区域光纤通信网与新型光通信系统国家重点实验室,上海200240

出　　处：《光通信技术》2011年第2期52-55,共4页Optical Communication Technology

基　　金：国家973计划(ID2011CB301700)资助;国家自然科学基金项目(60877012;61071011)资助;上海市重大基础项目(10DJ1400402)资助;上海市重点基础项目(09JC1408100)资助

摘　　要：分析了高速光模数转换系统中采样时钟幅度不均匀性的产生机理及其对高速光模数转换整体系统性能的影响。结合MATLAB软件和OptiSystem软件,仿真了光模数转换系统的架构和性能,论证了实验系统中各个环节产生的采样时钟幅度不均匀性。仿真结果与实验结果相符,说明了仿真论证的可靠性。This paper studies the amplitude fluctuation of the sampling clock in high-speed optical analog-to-digital conversion system and its influence on the effective number of bits.By use of MATLAB and OptiSystem software,we simulate the system performance and clarify the physical reason why the amplitude fluctuation of the sampling clock occurs.The simulation results are in good agreement with the experimental ones,which confirms the reliability of the simulation.

关 键 词：光采样 光模数转换 幅度不均匀性 仿真验证 

分 类 号：TN911.7[电子电信—通信与信息系统]