Normalized transfer function for characterizing conversion efficiency and harmonic distortion of all-optical sampling  

作　　者：ZHANG ShangJian LIN ChangYu LI Xuan ZOU ZhiTai LIU Yong LIU YongZhi 

机构地区：[1]State Key Laboratory of Electronic, Thin Film and Integrated Devices, School of Optoelectronic Information, University of Electronic Science &Technology of China, Chengdu 610054, China

出　　处：《Chinese Science Bulletin》2011年第15期1633-1636,共4页

基　　金：supported by the National Natural Science Foundation of China (60736038,60907008 and 60925019);the Education Ministry Funds for New Teachers (200806141102 and 20090185120027)

摘　　要：A novel method for characterizing the nonlinearity of all-optical sampling is proposed based on the normalized transfer function.Simulation results demonstrate the effectiveness of our method.Furthermore,an all-optical sampling experiment is performed to verify our method.Both simulation and experiment show consistency between our method and the measurements.The method only requires normalization and polynomial fitting of the transfer curve,and enables direct expression of the nonlinearity with the coefficients of the normalized transfer function.A novel method for characterizing the nonlinearity of all-optical sampling is proposed based on the normalized transfer function. Simulation results demonstrate the effectiveness of our method. Furthermore, an all-optical sampling experiment is performed to verify our method. Both simulation and experiment show consistency between our method and the measurements. The method only requires normalization and polynomial fitting of the transfer curve, and enables direct expression of the nonlinearity with the coefficients of the normalized transfer function.

关 键 词：非线性特征 传递函数 谐波失真 转换效率 采样 全光 归一化 仿真结果 

分 类 号：TN792[电子电信—电路与系统]