Entropic analysis of the information rate density of broadband active fiber-optic communication links

被引：4
|
作者：
Sinitsyn, GV [1 ]
Khodasevich, MA [1 ]
机构：
[1] Natl Acad Sci Belarus, Div Opt Problems Informat Sci, Minsk 220141, BELARUS
来源：
OPTICS AND SPECTROSCOPY | 2004年 / 97卷 / 03期
关键词：
D O I：
10.1134/1.1803652
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The maximum transfer rate characteristics of broadband active fiber-optic communication links are considered within the model of filling numbers. It is established that, for active information transmission systems, in contrast to passive ones, not only the parameters of the line itself are significant but also the input signal-to-noise ratio. It is shown that the classical approach underestimates considerably the value of the maximum information rate density of erbium fiber amplifiers. In lengthy communication links with erbium amplifiers, the value of the information rate density may reach similar to12-15 (bit/s)/Hz, which is more than one order of magnitude higher than the values achieved currently. (C) 2004 MAIK "Nauka/Interperiodica".
引用
收藏
页码：464 / 467
页数：4
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