Impact of mode coupling on the mode-dependent loss tolerance in few-mode fiber transmission

被引：46
|
作者：
Lobato, Adriana [1 ]
Ferreira, Filipe [2 ]
Kuschnerov, Maxim [3 ]
van den Borne, Dirk [3 ]
Jansen, Sander L. [3 ]
Napoli, Antonio [3 ]
Spinnler, Bernhard [3 ]
Lankl, Berthold [1 ]
机构：
[1] Univ Fed Armed Forces, D-85577 Neubiberg, Germany
[2] Nokia Siemens Networks Portugal SA, P-2720093 Amadora, Portugal
[3] Nokia Siemens Networks GmbH & Co KG, D-81541 Munich, Germany
来源：
OPTICS EXPRESS | 2012年 / 20卷 / 28期
关键词：
RECEIVERS; SYSTEMS;
D O I：
10.1364/OE.20.029776
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Spatial-division multiplexing in the form of few-mode fibers has captured the attention of researchers since it is an attractive approach to significantly increase the channel capacity. However, the optical components employed in such systems introduce mode-dependent loss or gain (MDL) due to manufacturing imperfections, leading to significant system impairments. In this work the impact of MDL from optical amplifiers in few-mode fibers with either weak or strong mode coupling is analyzed for a 3x136-Gbit/s DP-QPSK mode-division multiplexed transmission system. It is shown that strong mode coupling reduces the impact of MDL in a similar manner as that polarization-dependent loss is reduced in single mode fibers by polarization-mode dispersion. (C)2012 Optical Society of America
引用
收藏
页码：29776 / 29783
页数：8
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