Analysis and comparison of two kinds of double frequency ROF system models

Liu Ting; Pan Wei; Yan Lianshan; Luo Bin

doi:10.13756/j.gtxyj.2010.02.018

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Analysis and comparison of two kinds of double frequency ROF system models

- Analysis and comparison of two kinds of double frequency ROF system models
- Study on Optical communication Issue 2, Pages: 56-59(2010)
- 作者机构：
  
  西南交通大学信息光子与通信研究中心
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2010.02.018
  CLC： TN929.1
- Published：2010，
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[1]刘婷,潘炜,闫连山,罗斌.两种双频ROF系统模型的分析与比较[J].光通信研究,2010(02):56-59.

Liu Ting, Pan Wei, Yan Lianshan, et al. Analysis and comparison of two kinds of double frequency ROF system models. [J]. (2):56-59(2010)
[1]刘婷,潘炜,闫连山,罗斌.两种双频ROF系统模型的分析与比较[J].光通信研究,2010(02):56-59. DOI： 10.13756/j.gtxyj.2010.02.018.

Liu Ting, Pan Wei, Yan Lianshan, et al. Analysis and comparison of two kinds of double frequency ROF system models. [J]. (2):56-59(2010) DOI： 10.13756/j.gtxyj.2010.02.018.

摘要

文章对两种双频率波段的光纤无线通信（Radio-Over-Fiber

ROF）系统模型进行了仿真分析。首先基于文献实验

实现了使用一个马赫-曾德调制器直接调制双频率波段的ROF系统模型

然后改为使用两个马赫-曾德调制器分别调制两个波段的系统模型。结果表明

在误码率BER=10-9

光纤长度为55 km的情况下

对于40 GHz频段

改进后的系统比改进前的系统性能提高5 dBm;从敏感度曲线上也可以看出

改进后的系统性能更稳定。

Abstract

In this paper

two kinds of double-frequency Radio over Fiber（RoF） system models are simulated.On the basis of experiments

a RoF system model

whose double-frequency waveband is directly modulated by a Mach-Zehnder modulator

is realized.Then

it is improved into a system model

whose two wavebands are modulated with two Mach-Zehnder modulators respectively.The results show that when BER=10-9 and the fiber length is 55 km

the improved system is 5 dBm better at the 40 GHz frequency band and more stable in terms of sensitivity than the former.

关键词

马赫-曾德调制器双频率波段光纤无线通信误码率敏感度

Keywords

Mach-Zehnder modulatordouble-frequency wavebandROFBERsensitivity

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