Marked performance improvement of 256 QAM transmission using a digital back-propagation method

被引：15
|
作者：
Toyoda, Kazushi [1 ]
Koizumi, Yuki [1 ]
Omiya, Tatsunori [1 ]
Yoshida, Masato [1 ]
Hirooka, Toshihiko [1 ]
Nakazawa, Masataka [1 ]
机构：
[1] Tohoku Univ, Elect Commun Res Inst, Aoba Ku, Sendai, Miyagi 9808577, Japan
来源：
OPTICS EXPRESS | 2012年 / 20卷 / 18期
关键词：
D O I：
10.1364/OE.20.019815
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We demonstrate substantial performance improvements in 256 QAM transmission in terms of both data rate and distance that we realized by using a digital back-propagation (DBP) method. 160 Gbit/s-160 km and 64 Gbit/s-560 km transmissions were successfully achieved with a polarization-multiplexed 256 QAM signal, in which the symbol rate and transmission distance were greatly increased by compensating for the interplay between dispersion and nonlinearity, which is responsible for the transmission impairment especially for a higher symbol rate and longer distance. (C) 2012 Optical Society of America
引用
收藏
页码：19815 / 19821
页数：7
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