PERFORMANCE OF A LIGHTWAVE SYSTEM INCORPORATING A CASCADE OF ERBIUM-DOPED FIBER AMPLIFIERS

被引：13

作者：

LI, T

TEICH, MC

机构：

[1] Center for Telecommunication Research, Department of Electrical Engineering, Columbia University, New York

来源：

OPTICS COMMUNICATIONS | 1992年 / 91卷 / 1-2期

关键词：

D O I：

10.1016/0030-4018(92)90097-B

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The photon-number distribution (PND) at the output of a cascade of erbium-doped fiber amplifiers (EDFAs), with coherent light at the input, turns out to be the noncentral-negative-binomial (NNB) distribution, even in the presence of intervening loss, provided that the normalized bandwidth is the same for all amplifiers. The probability of error (PE) for a cascade of several high-gain EDFAs is essentially the same as that for a single EDFA. The performance of a sequence of postamplifiers is superior to that of a sequence of preamplifiers.

引用

页码：41 / 45

页数：5

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