OCDMA codec based on superstructured long-period fiber grating

Yan Meng; Yao Minyu; Zhang Hongming

doi:10.13756/j.gtxyj.2008.02.002

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OCDMA codec based on superstructured long-period fiber grating

- OCDMA codec based on superstructured long-period fiber grating
- Study on Optical communication Issue 2, Pages: 18-20(2008)
- 作者机构：
  
  1. 清华大学电子工程系集成光电子学国家重点实验室
  2. 清华大学电子工程系集成光电子学国家重点实验室北京100084
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2008.02.002
  CLC： TN762
- Published：2008，
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[1]燕萌,姚敏玉,张洪明.基于超结构长周期光纤光栅的OCDMA编解码器[J].光通信研究,2008(02):18-20+63.

Yan Meng, Yao Minyu, Zhang Hongming. OCDMA codec based on superstructured long-period fiber grating. [J]. (2):18-20(2008)
[1]燕萌,姚敏玉,张洪明.基于超结构长周期光纤光栅的OCDMA编解码器[J].光通信研究,2008(02):18-20+63. DOI： 10.13756/j.gtxyj.2008.02.002.

Yan Meng, Yao Minyu, Zhang Hongming. OCDMA codec based on superstructured long-period fiber grating. [J]. (2):18-20(2008) DOI： 10.13756/j.gtxyj.2008.02.002.

摘要

文章在分析长周期光纤光栅的透射特性的基础上

提出超结构长周期光栅（SSLPG）具有与超结构布拉格光栅（SSFBG）的反射谱相似的交叉透射谱

并提出利用色散补偿光纤（DCF）中基模和内包层模之间的模式耦合可制作基于SSLPG的光码分多址（OCDMA）时域扩展相位编码器。仿真表明

用SSLPG和SSFBG能获得相同的编解码效果。

Abstract

On the basis of the analysis of cross-transmission characteristics of the Long-Period fiber Grating（LPG）

we find that superstructured LPG has a cross-transmission spectrum similar to the reflection spectrum of SuperStructured Fiber Bragg Grating（SSFBG）.By utilizing the coupling between the fundamental mode and the inner cladding mode coexisting in the Dispersion Compensating Fiber（DCF）

superstructured LPG-based encoder/decoder for time-spread phase-coded OCDMA system can be realized.Simulation results show that identical encoding/decoding performance can be achieved with superstructured LPG.and superstructured FBG.

关键词

光通信光码分多址超结构长周期光纤光栅时域扩展相位编码

Keywords

optical communicationOCDMASuperStructured Long Period Grating（SSLPG）time-spread phase coding

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