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Switching response of dual-output Mach–Zehnder modulator in channel-interleaved photonic analog-to-digital converter

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Abstract

This Letter theoretically and experimentally studies the response of photonic switching in a channel-interleaved photonic analog-to-digital converter (PADC) with high sampling rate and wide input frequency range. A figure of merit (FoM) is introduced to evaluate the switching response of the PADC when a dual-output Mach–Zehnder modulator (MZM) serves as the photonic switch to parallelize the sampled pulse train into two channels. After the optimization of the FoM and utilization of the channel-mismatch compensation algorithm, the system bandwidth of PADC is expanded and the signal-to-distortion ratio is enhanced.

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DOI:10.3788/col201816.120602

所属栏目:Fiber optics and optical communication

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

收稿日期:2018-09-25

录用日期:2018-11-01

网络出版日期:2018-11-27

作者单位    点击查看

Lei Yu:State Key Laboratory of Advanced Optical Communication Systems and Networks, Department of Electronic Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
Weiwen Zou:State Key Laboratory of Advanced Optical Communication Systems and Networks, Department of Electronic Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
Guang Yang:State Key Laboratory of Advanced Optical Communication Systems and Networks, Department of Electronic Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
Xinwan Li:State Key Laboratory of Advanced Optical Communication Systems and Networks, Department of Electronic Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
Jianping Chen:State Key Laboratory of Advanced Optical Communication Systems and Networks, Department of Electronic Engineering, Shanghai Jiao Tong University, Shanghai 200240, China

联系人作者:Weiwen Zou(wzou@sjtu.edu.cn)

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引用该论文

Lei Yu, Weiwen Zou, Guang Yang, Xinwan Li, Jianping Chen, "Switching response of dual-output Mach–Zehnder modulator in channel-interleaved photonic analog-to-digital converter," Chinese Optics Letters 16(12), 120602 (2018)

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