匹配滤波在相干光纤通信系统中的特性研究
TN256; 针对相干光纤通信系统中匹配滤波(如根升余弦滤波器)对系统的影响,文章在不同光学带宽、残余色散以及非线性情况下,对不同滚降因子Rf的系统特性进行了研究.文章分别仿真研究了256 Gbit/s偏振复用16阶正交幅度调制(PDM-16QAM)信号在光学带宽为33、50及100 GHz时的传输特性、残余色散在-300~300 ps/nm区间内的特性和注入功率为-3~4 dBm情况下传输1200 km光纤链路的特性.仿真结果表明,对于光学带宽受限的系统,Rf选取(1+Rf)B(B为信号波特率)与系统光学带宽相近的值为宜;对于光学带宽接近两倍波特率的系统,滚降因子Rf选取0.2~0.5为宜....
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Published in | Guangtongxin Yanjiu no. 3; pp. 33 - 37 |
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Main Authors | , , , , , , , |
Format | Journal Article |
Language | Chinese |
Published |
武汉光迅科技股份有限公司,武汉 430205%国家电网有限公司 信息通信分公司,北京 100761
2021
《光通信研究》编辑部 |
Subjects | |
Online Access | Get full text |
ISSN | 1005-8788 |
DOI | 10.13756/j.gtxyj.2021.03.008 |
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Abstract | TN256; 针对相干光纤通信系统中匹配滤波(如根升余弦滤波器)对系统的影响,文章在不同光学带宽、残余色散以及非线性情况下,对不同滚降因子Rf的系统特性进行了研究.文章分别仿真研究了256 Gbit/s偏振复用16阶正交幅度调制(PDM-16QAM)信号在光学带宽为33、50及100 GHz时的传输特性、残余色散在-300~300 ps/nm区间内的特性和注入功率为-3~4 dBm情况下传输1200 km光纤链路的特性.仿真结果表明,对于光学带宽受限的系统,Rf选取(1+Rf)B(B为信号波特率)与系统光学带宽相近的值为宜;对于光学带宽接近两倍波特率的系统,滚降因子Rf选取0.2~0.5为宜. |
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AbstractList | 针对相干光纤通信系统中匹配滤波(如根升余弦滤波器)对系统的影响,文章在不同光学带宽、残余色散以及非线性情况下,对不同滚降因子Rf的系统特性进行了研究。文章分别仿真研究了256 Gbit/s偏振复用16阶正交幅度调制(PDM-16QAM)信号在光学带宽为33、50及100 GHz时的传输特性、残余色散在-300~300 ps/nm区间内的特性和注入功率为-3~4 dBm情况下传输1 200 km光纤链路的特性。仿真结果表明,对于光学带宽受限的系统,Rf选取(1+Rf)B(B为信号波特率)与系统光学带宽相近的值为宜;对于光学带宽接近两倍波特率的系统,滚降因子Rf选取0.2~0.5为宜。 TN256; 针对相干光纤通信系统中匹配滤波(如根升余弦滤波器)对系统的影响,文章在不同光学带宽、残余色散以及非线性情况下,对不同滚降因子Rf的系统特性进行了研究.文章分别仿真研究了256 Gbit/s偏振复用16阶正交幅度调制(PDM-16QAM)信号在光学带宽为33、50及100 GHz时的传输特性、残余色散在-300~300 ps/nm区间内的特性和注入功率为-3~4 dBm情况下传输1200 km光纤链路的特性.仿真结果表明,对于光学带宽受限的系统,Rf选取(1+Rf)B(B为信号波特率)与系统光学带宽相近的值为宜;对于光学带宽接近两倍波特率的系统,滚降因子Rf选取0.2~0.5为宜. |
Author | 吴广哲 李伟华 卢贺 黄超 朱京 龙函 吴剑军 段明雄 |
AuthorAffiliation | 武汉光迅科技股份有限公司,武汉 430205%国家电网有限公司 信息通信分公司,北京 100761 |
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Author_FL | WU Guang-zhe LU He LI Wei-hua LONG Han DUAN Ming-xiong HUANG Chao WU Jian-jun ZHU Jing |
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Title | 匹配滤波在相干光纤通信系统中的特性研究 |
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