Impact of FBG array wavelength mismatch on BER of OCDMA systems

Ren Yafei1; Li Chuanqi2; Zhou Xu1; Zhou Yanyan2

doi:10.13756/j.gtxyj.2010.02.016

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Impact of FBG array wavelength mismatch on BER of OCDMA systems

- Impact of FBG array wavelength mismatch on BER of OCDMA systems
- Study on Optical communication Issue 2, Pages: 63-65(2010)
- 作者机构：
  
  1. 南京信息工程大学电子与信息工程学院
  2. 南京信息工程大学数理学院
  3. 广西师范大学电子工程学院
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2010.02.016
  CLC： TN929.11
- Published：2010，
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[1]任亚飞,李传起,周谞,周燕燕.FBG阵列波长偏差对OCDMA系统误码率的影响[J].光通信研究,2010(02):63-65.

Ren Yafei1, Li Chuanqi2, Zhou Xu1, et al. Impact of FBG array wavelength mismatch on BER of OCDMA systems. [J]. (2):63-65(2010)
[1]任亚飞,李传起,周谞,周燕燕.FBG阵列波长偏差对OCDMA系统误码率的影响[J].光通信研究,2010(02):63-65. DOI： 10.13756/j.gtxyj.2010.02.016.

Ren Yafei1, Li Chuanqi2, Zhou Xu1, et al. Impact of FBG array wavelength mismatch on BER of OCDMA systems. [J]. (2):63-65(2010) DOI： 10.13756/j.gtxyj.2010.02.016.

摘要

文章给出了一种基于光纤布拉格光栅（FBG）阵列的可调谐二维编解码器结构。重点分析了在波长不匹配时由于编解码器解码输出的自相关峰值功率削弱

进而劣化系统的误码率的情况。仿真了随着跳频扩时（TS/WH）码字参数的变化

编解码器在相应波长发生偏差条件下的解码输出功率和误码率。分析结果表明

当波长偏差0.1 nm时

对于跳频个数为31的编解码器

系统的误码率仍然<10-9

因而可以通过增加跳频波长数来降低编解码器对调谐精度的要求。

Abstract

A FBG array-based two-dimensional tunable encoder/decoder structure is presented in this paper and the system BER degraded as a result of the autocorrelation peak power degradation of the coder/decoder output in wavelength mismatch is analyzed in detail.The decoder output power and EER of the coder/decoder in corresponding wavelength mismatch with the changes of TS/WH code parameters are simulated.The analytical results show that the system BER remains to be <10-9 for Ph=31 with the wavelength mismatch of 0.1 nm

so the requirements for tuning accuracy by the coder/decoder can be decreased by increasing the number hopping wavelength.

关键词

光纤布拉格光栅阵列波长偏差可调谐编解码器误码率

Keywords

FBG arraywavelength mismatchtunable coder/decoderBER

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