Analog nonlinear MIMO receiver for optical mode division multiplexing transmission

被引：5
|
作者：
Spalvieri, Arnaldo [1 ]
Boffi, Pierpaolo [1 ]
Pecorino, Simone [1 ]
Barletta, Luca [2 ]
Magarini, Maurizio [1 ]
Gatto, Alberto [1 ]
Martelli, Paolo [1 ]
Martinelli, Mario [1 ]
机构：
[1] Politecn Milan, Dipartimento Elettron Informaz & Bioingn, I-20133 Milan, Italy
[2] Tech Univ Munich, Inst Adv Study, D-85748 Garching, Germany
来源：
OPTICS EXPRESS | 2013年 / 21卷 / 21期
关键词：
MULTIMODE FIBER LINKS; CAPACITY; NETWORKS; CHANNEL; INPUT;
D O I：
10.1364/OE.21.025174
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The complexity and the power consumption of digital signal processing are crucial issues in optical transmission systems based on mode division multiplexing and coherent multiple-input multiple-output (MIMO) processing at the receiver. In this paper the inherent characteristic of spatial separation between fiber modes is exploited, getting a MIMO system where joint demultiplexing and detection is based on spatially separated photodetectors. After photodetection, one has a MIMO system with nonlinear crosstalk between modes. The paper shows that the nonlinear crosstalk can be dealt with by a low-complexity and non-adaptive detection scheme, at least in the cases presented in the paper. (C) 2013 Optical Society of America
引用
收藏
页码：25174 / 25183
页数：10
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