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
收藏
页码：204 / 208
页数：5
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