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高模式群时延模分复用系统的级联独立成分分析解复用技术研究

Mode Demultiplexing Based on Cascaded Independent Component Analysis for Mode Division Multiplexing System with High Mode Group Delay

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摘要

针对高模式群时延(H-MGD)的少模光纤模分复用系统,提出了一种级联独立成分分析(C-ICA)算法,其基本思想是:采用延时补偿与C-ICA结合的技术方案,运用两次ICA算法同时消除模分复用器和解复用器引起的串扰。利用该算法对2×2模分复用系统进行了解复用,并且将其解复用性能与单次ICA算法解复用进行了比较。仿真结果表明,C-ICA算法能够有效实现H-MGD少模光纤模分复用系统的解复用,在同等条件下其解复用效果明显优于单次ICA解复用。

Abstract

Aiming at the mode division multiplexing system with high-mode group delay (H-MGD) using few-mode fiber, a cascaded independent component analysis (C-ICA) algorithm is proposed. The core idea of the algorithm is that two complex ICA algorithms are combined with a delay compensation module to eliminate the modal crosstalk induced by the mode multiplexer and the demultiplexer respectively. Then the proposed C-ICA algorithm is utilized to demultiplex the received signals from a 2×2 mode division multiplexing system, and the demultiplexing performance of C-ICA is compared with that of the common ICA in which the complex ICA algorithm is used only once. The simulation results indicate that the proposed C-ICA algorithm can implement mode demultiplexing of the mode division multiplexing system with H-MGD few-mode fiber validly. Moreover, C-ICA has better mode demultiplexing performance than the common ICA under the same conditions.

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中图分类号:TN913.7

DOI:10.3788/cjl201643.0806001

所属栏目:光通信

基金项目:国家自然科学基金(61575078,61177066)、吉林省科技发展计划(20140203009GX)、吉林省发改委产业技术研究专项(2014Y087)

收稿日期:2016-01-26

修改稿日期:2016-04-13

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作者单位    点击查看

方妍:吉林大学通信工程学院, 吉林 长春 130012
胡贵军:吉林大学通信工程学院, 吉林 长春 130012
宫彩丽:吉林大学通信工程学院, 吉林 长春 130012
李莉:吉林大学通信工程学院, 吉林 长春 130012

联系人作者:方妍(fangyanam3@163.com)

备注:方妍(1990—),女,硕士研究生,主要从事模分复用通信方面的研究。

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引用该论文

Fang Yan,Hu Guijun,Gong Caili,Li Li. Mode Demultiplexing Based on Cascaded Independent Component Analysis for Mode Division Multiplexing System with High Mode Group Delay[J]. Chinese Journal of Lasers, 2016, 43(8): 0806001

方妍,胡贵军,宫彩丽,李莉. 高模式群时延模分复用系统的级联独立成分分析解复用技术研究[J]. 中国激光, 2016, 43(8): 0806001

被引情况

【1】黄成斌,胡贵军. 基于无约束频域均衡的模分复用系统解复用技术. 中国激光, 2017, 44(6): 606002--1

【2】陈翠光,胡贵军,刘 峰,王勃然,陈威成. 基于背向瑞利散射的少模光纤模式耦合测量. 中国激光, 2017, 44(8): 806002--1

【3】陈嘉轲,胡贵军,韩悦羽. 基于光子灯笼的3×3模分复用通信实验系统. 中国激光, 2017, 44(11): 1106009--1

【4】陈威成,胡贵军,刘峰,陈翠光,王勃然. 少模光纤熔接点处模式耦合测量. 光学学报, 2017, 37(12): 1206005--1

【5】陆少凡,肖悦娱,蒋晓勇. 熔融拉锥型全光纤多模式复用器/解复用器研究. 中国激光, 2018, 45(7): 706002--1

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