Generation and long-haul transmission of polarization-switched QPSK at 42.9 Gb/s

被引：30

作者：

Millar, David S. ^{[1
]}

Lavery, Domanic ^{[1
]}

Makovejs, Sergejs ^{[1
]}

Behrens, Carsten ^{[1
]}

Thomsen, Benn C. ^{[1
]}

Bayvel, Polina ^{[1
]}

Savory, Seb J. ^{[1
]}

机构：

[1] UCL, Opt Networks Grp, Dept Elect & Elect Engn, London WC1E 7JE, England

来源：

OPTICS EXPRESS | 2011年 / 19卷 / 10期

基金：

英国工程与自然科学研究理事会;

关键词：

MODULATION;

D O I：

10.1364/OE.19.009296

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We demonstrate, for the first time, the generation and transmission of polarization-switched QPSK (PS-QPSK) signals at 42.9 Gb/s. Long-haul transmission of PS-QPSK is experimentally investigated in a recirculating loop and compared with transmission of dual-polarization QPSK (DP-QPSK) at 42.9 Gb/s per channel. A reduction in the required OSNR of 0.7 dB was found at a BER of 3.8x10(-3), resulting in an increase in maximum reach of more than 30% for a WDM system operating on a 50 GHz frequency grid. The maximum reach of 13640 km for WDM PS-QPSK is, to the best of our knowledge, the longest distance reported for 40 Gb/s WDM transmission, over an uncompensated link, with standard fiber and amplification. (C) 2011 Optical Society of America

引用

页码：9296 / 9302

页数：7

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