Microwave Photonic Link with Non-Chromatic Dispersion and Large Dynamic Range Based on Phase Modulation

ZHANG Ming-chen; XU En-ming

doi:10.13756/j.gtxyj.2017.01.018

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Microwave Photonic Link with Non-Chromatic Dispersion and Large Dynamic Range Based on Phase Modulation

- Microwave Photonic Link with Non-Chromatic Dispersion and Large Dynamic Range Based on Phase Modulation
- Study on Optical communication Issue 1, Pages: 57-60(2017)
- 作者机构：
  
  南京邮电大学光电工程学院
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2017.01.018
  CLC： TN761
- Published：2017，
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[1]张明趁,徐恩明.基于相位调制的无色散大动态范围微波光子链路[J].光通信研究,2017(01):57-60.

ZHANG Ming-chen, XU En-ming. Microwave Photonic Link with Non-Chromatic Dispersion and Large Dynamic Range Based on Phase Modulation. [J]. (1):57-60(2017)
[1]张明趁,徐恩明.基于相位调制的无色散大动态范围微波光子链路[J].光通信研究,2017(01):57-60. DOI： 10.13756/j.gtxyj.2017.01.018.

ZHANG Ming-chen, XU En-ming. Microwave Photonic Link with Non-Chromatic Dispersion and Large Dynamic Range Based on Phase Modulation. [J]. (1):57-60(2017) DOI： 10.13756/j.gtxyj.2017.01.018.

摘要

为了抑制微波光子链路的三阶交调失真

提高链路的动态范围

提出了一种基于相位调制的无色散大动态范围的微波光子链路。通过对相位调制器横电模和横磁模的使用

以及将相位相差π的两路信号相加

消除三阶交调失真;另外

由于线性化后双边带信号转变为单边带信号

消除了色散的影响。仿真实验结果显示

与传统相位调制的微波光子链路相比

该方案的无杂散动态范围扩大了约19.5dB。

Abstract

In order to suppress the third-order intermodulation distortion of microwave photonic link and increase its spuriousfree dynamic range

a microwave photonic link based on phase modulation is proposed

which has a large dynamic range without chromatic dispersion.The third-order intermodulation distortion is suppressed by using two axis of phase modulator and addition of two-way signals whose phase difference betweenπ.In addition

due to the single-sideband signal after the linearization

the chromatic dispersion is also suppressed.The simulation results show that the spurious-free dynamic range of the proposed microwave photonic link is increased by 19.5dB

comparing with the conventional one.

关键词

微波光子链路相位调制无杂散动态范围

Keywords

microwave photonic linkphase modulationspurious-free dynamic range

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