Stability optimization of channel-interleaved photonic analog-to-digital converter by extracting of dual-output photonic demultiplexing  

作　　者：Kangjia Zheng Weiwen Zou Lei Yu Na Qian Jianping Chen 郑康佳;邹卫文;于磊;钱娜;陈建平(State Key Laboratory of Advanced Optical Communication Systems and Networks,Intelligent Microwave Lightwave Integration Innovation Center(iMLic),Department of Electronic Engineering,Shanghai Jiao Tong University,Shanghai 200240,China)

机构地区：[1]State Key Laboratory of Advanced Optical Communication Systems and Networks,Intelligent Microwave Lightwave Integration Innovation Center(iMLic),Department of Electronic Engineering,Shanghai Jiao Tong University,Shanghai 200240,China

出　　处：《Chinese Optics Letters》2020年第1期95-99,共5页中国光学快报（英文版）

基　　金：This work was partially supported by the National Natural Science Foundation of China(Nos.61571292,61535006,and 61822508).

摘　　要：We investigate a channel-interleaved photonic analog-to-digital conversion(PADC)system’s ability to work stably over a long duration with an optimal driving voltage.The influence of optimum bias point drift of a Mach–Zehnder modulator(MZM)-based photonic switch on this system was analyzed theoretically and experimentally.The feasibility of extracting feedback signals from the PADC system was derived.A high-stability channel-interleaved PADC was constructed by extracting a feedback signal from a parallel demultiplexing module to control the MZM-based photonic switch’s driving voltage.Consequently,the amplitude mismatch between the channels was limited to within 0.3 d B over 12 hours of operation.

关 键 词：PHOTONIC analog-to-digital converter Mach–Zehnder modulator STABILITY OPTIMIZATION 

分 类 号：TN792[电子电信—电路与系统]