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A mean-removal multipath interference estimation scheme for optical interconnection

delete2025-12-04
delete0
PRE
AI
J
Jun Ming
董
董泽 (Ze Dong) *
S
Shaonan Liu
H
Hailian He
Y
Yucai Tian
Y
Yujia Mu
R
Rui Wang
Y
Yuyao Wen
Z
Zhipei Li
R
Ran Gao
X
Xiangjun Xin
DOI:10.1016/j.optlastec.2025.114275delete
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摘要

摘要

En 中文
我们提出并实验验证了一种在强度调制直接检测4级脉冲幅度调制(PAM4)光互连中的均值移除多径干扰估计(MRME)方案。与因瞬时幅度波动影响符号判决而限制多径干扰(MPI)补偿效果的经典决策引导最小均方(DD-LMS)方法不同,所提出的MRME方案通过基于符号平均的简单滑动窗口抑制此类幅度波动。利用符号波动特性,该偏移提取机制相比自适应均衡方案实现了更优的MPI鲁棒性,在MPI均衡中展现出增强的收敛性能。实验验证表明,在2公里标准单模光纤上实现120-Gb/s PAM4互连,相比偏置-DD-LMS方案,在前馈纠错极限(BER=3.8×10−3)下获得高达4.1 dB的信号干扰功率比(SIPR)增益。

期刊

O
optics & laser technology
IF:
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论文数:
880
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