Using RZ DPSK-based transponders for upgrades on existing long-haul submarine WDM systems

被引：10

作者：

Golovchenko, Ekaterina A. ^{[1
]}

Rahman, Lutfur ^{[1
]}

Bakhshi, Balmdad ^{[1
]}

Kovsh, Dmitiriy ^{[1
]}

Idrovo, Fernando ^{[1
]}

Abbott, Stuart M. ^{[1
]}

机构：

[1] Tyco Telecommun, Eatontown, NJ 07724 USA

来源：

JOURNAL OF LIGHTWAVE TECHNOLOGY | 2008年 / 26卷 / 1-4期

关键词：

long-haul transmission systems; nonlinear crosstalk; optical communication; polarization mode dispersion; wavelength-division multiplexing;

D O I：

10.1109/JLT.2007.913030

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The RZ-DPSK transmission format allows higher capacity and greater flexibility in system configurations when upgrading existing WDM systems. We report on using RZ-DPSK for upgrades of systems originally designed for RZ-OOK transponders. In this paper, we discuss the use of RZ-DPSK transponders on an installed trans-Pacific link and on the Sam-1 Cable System where the original transmission lengths were significantly increased. On the original SAm-1 Cable System, each digital line segment was less than 5000 km long. At the owners request these shorter sections were concatenated to make a 10,757-km commercial WDM 10 Gb/s fiber optic link, the longest in the world. Ten Gb/s transponders were successfully deployed onto the concatenated segments, and DPSK transponders will allow 480 Gb/s capacity.

引用

页码：204 / 208

页数：5

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