基于并联DPMZM的大动态范围微波光子混频系统

高永胜; 史芳静; 谭佳俊; 樊养余

doi:10.11959/j.issn.1000-436x.2021003

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基于并联DPMZM的大动态范围微波光子混频系统

学术论文 | 更新时间：2024-06-05

- 基于并联DPMZM的大动态范围微波光子混频系统
- Large dynamic range microwave photonics mixing system based on parallel DPMZM
- 通信学报 2021年42卷第1期页码：48-56
- 作者机构：
  
  西北工业大学电子信息学院，陕西西安 710072
- 作者简介：
  
  [ "高永胜（1989- ），男，河南漯河人，西北工业大学副教授、硕士生导师，主要研究方向为微波光子信号处理、光载射频通信、光纤通信、微波光子雷达等。" ]
  [ "史芳静（1995- ），女，陕西咸阳人，西北工业大学博士生，主要研究方向为微波光子信号处理、光载射频通信等。" ]
  [ "谭佳俊（1999- ），男，湖北咸宁人，西北工业大学硕士生，主要研究方向为微波光子信号处理。" ]
  [ "樊养余（1960- ），男，陕西蓝田人，博士，西北工业大学教授、博士生导师，主要研究方向为虚拟现实技术、数字信号处理理论与应用、无线光通信技术、人工智能、目标检测与识别、信息隐藏等。" ]
- 基金信息：
  
  国家自然科学基金资助项目(61701412);中国博士后科学基金资助项目(2017M623238)
- DOI：10.11959/j.issn.1000-436x.2021003
  中图分类号： TN29
- 网络出版日期：2021-01，
  
  纸质出版日期：2021-01-25
- 稿件说明：
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高永胜, 史芳静, 谭佳俊, 等. 基于并联DPMZM的大动态范围微波光子混频系统[J]. 通信学报, 2021,42(1):48-56.

Yongsheng GAO, Fangjing SHI, Jiajun TAN, et al. Large dynamic range microwave photonics mixing system based on parallel DPMZM[J]. Journal on communications, 2021, 42(1): 48-56.
高永胜, 史芳静, 谭佳俊, 等. 基于并联DPMZM的大动态范围微波光子混频系统[J]. 通信学报, 2021,42(1):48-56. DOI： 10.11959/j.issn.1000-436x.2021003.

Yongsheng GAO, Fangjing SHI, Jiajun TAN, et al. Large dynamic range microwave photonics mixing system based on parallel DPMZM[J]. Journal on communications, 2021, 42(1): 48-56. DOI： 10.11959/j.issn.1000-436x.2021003.

摘要

为了解决微波光子混频系统的非线性失真和动态范围受限问题，提出了一种基于并联双平行马赫-曾德尔调制器（DPMZM）的大动态范围微波光子混频系统。利用DPMZM实现射频和本振信号的并行调制，通过配置并行两路的电光调制指数及调制器的工作点，抵消输出中频信号中的三阶交调失真（IMD3），最终提高系统的动态范围。仿真结果表明，所提方案可将IMD3抑制17.7 dB，系统无杂散动态范围提高到

。

Abstract

To solve the problems of nonlinear distortion and limit

ed dynamic range of microwave photonics mixing system

a large dynamic range microwave photonics mixing system based on parallel dual parallel Mach-Zehnder modulator (DPMZM) was proposed.The parallel modulation of radio frequency and local oscillator signals was realized by using DPMZM.The third-order intermodulation distortion (IMD3) in the output intermediate frequency signal was eliminated by configuring the electro-optic modulation index of the two parallel channels and the working point of the modulators.Finally

the dynamic range of the system was improved.Simulation results show that the proposed scheme can suppress IMD3 by 17.7 dB and increase the SFDR to

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references

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