Improved transmission performance by hybrid optical amplification in DWDM systems

被引：2
|
作者：
Xu, T [1 ]
Maxum, BJ [1 ]
机构：
[1] Lamar Univ, Dept Elect Engn, Beaumont, TX 77710 USA
来源：
OPTICAL ENGINEERING | 2003年 / 42卷 / 03期
关键词：
distributed Raman amplifiers; erbium-doped fiber amplifiers; large-effective-area fibers; dispersion compensated fibers; optical signal-to-noise ratio;
D O I：
10.1117/1.1543565
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Based on comprehensive computer modeling and numerical simulation of dense wavelength-division multiplexing (DWDM) systems, it is demonstrated that by judicious use of erbium-doped fiber amplifiers (EDFAs) and distributed Raman amplifiers (DRAs), the Q factor and optical signal-to-noise ratio (OSNR) are improved compared with EDFA alone. This hybrid combination yields a 13.5-dB improvement in OSNR and a peak Q factor of 12.1 for the hybrid versus a peak of 8.1 when EDFA Is used alone. (C) 2003 Society of Photo-Optical Instrumentation Engineers.
引用
收藏
页码：882 / 885
页数：4
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