在传统基础设施上实现100 Gb/s长距离波分复用（WDM）传输时，双极化多频段正交频分复用（OFDM）与单载波双偏振四相移键控（DP-QPSK）的比较

Dual-polarization multi-band OFDM versus single-carrier DP-QPSK for 100 Gb/s long-haul WDM transmission over legacy infrastructure.

作者信息

Karaki J, Giacoumidis E, Grot D, Guillossou T, Gosset C, Le Bidan R, Le Gall T, Jaouën Y, Pincemin E

机构信息

France Telecom Orange Labs, 2 Avenue Pierre Marzin, 22307 Lannion, France.

出版信息

Opt Express. 2013 Jul 15;21(14):16982-91. doi: 10.1364/OE.21.016982.

DOI:10.1364/OE.21.016982

PMID:23938547

Abstract

The transmission performance of coherent dual-polarization multi-band OFDM (DP-MB-OFDM) and QPSK (DP-QPSK) are experimentally compared for 100 Gb/s long-haul transport over legacy infrastructure combining G.652 fiber and 10 Gb/s WDM system. It is shown that DP-MB-OFDM and DP-QPSK have nearly the same performance at 100 Gb/s after transmission over a 10 × 100-km fiber line. Furthermore, the origin of performance degradations and limitations of the DP-MB-OFDM is explored numerically, as well as the impact of transmission distance and sub-band spacing.

摘要

针对在结合了G.652光纤和10 Gb/s波分复用（WDM）系统的传统基础设施上进行100 Gb/s长距离传输的情况，对相干双偏振多波段正交频分复用（DP-MB-OFDM）和四相相移键控（QPSK，DP-QPSK）的传输性能进行了实验比较。结果表明，在经过10×100公里的光纤线路传输后，DP-MB-OFDM和DP-QPSK在100 Gb/s时具有几乎相同的性能。此外，还通过数值方法探究了DP-MB-OFDM性能下降的根源和局限性，以及传输距离和子带间距的影响。