Accumulation of nonlinear noise in coherent communication lines without dispersion compensation

被引：16
|
作者：
Konyshev, V. A. [1 ]
Leonov, A. V. [1 ]
Nanii, O. E. [1 ,2 ]
Novikov, A. G. [1 ]
Treshchikov, V. N. [1 ]
Ubaydullaev, R. R. [1 ]
机构：
[1] T8 Co, Moscow, Russia
[2] Moscow MV Lomonosov State Univ, Dept Phys, Moscow, Russia
来源：
OPTICS COMMUNICATIONS | 2015年 / 349卷
关键词：
Nonlinear noise; Coherent lines; Accumulation of noise; MODEL; TRANSMISSIONS; LONG;
D O I：
10.1016/j.optcom.2015.03.041
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The nature of accumulation of nonlinear noise in multi-span communication lines with optical amplifiers without dispersion compensation was investigated experimentally and theoretically. It has been established that the dependence of nonlinear noise power on the number of spans is described by a power function with an exponent greater than 1. It has also been established that the nonlinear noise power generated in one span is practically independent on the amount of dispersion accumulated before this span for the values of accumulated dispersion more than 2 ns/nm. Since the noise power generated in one span does not depend on number of this span, in order to describe the superlinear dependence of total noise on number of spans we can assume that noises generated in different spans are correlated. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：19 / 23
页数：5
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