The properties of amplified spontaneous emission noise in saturated fiber Raman amplifiers operating with CW signals

被引：11
|
作者：
Dahan, D [1 ]
Eisenstein, G [1 ]
机构：
[1] Technion Israel Inst Technol, Dept Elect Engn, IL-32000 Haifa, Israel
来源：
OPTICS COMMUNICATIONS | 2004年 / 236卷 / 4-6期
关键词：
fiber Raman amplifier; amplified spontaneous emission noise; saturation;
D O I：
10.1016/j.optcom.2004.03.056
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
This paper describes the properties of amplified spontaneous emission (ASE) noise in forward and backward pumped saturated Raman amplifiers operating with CW signals. Analytical and numerical calculations confirmed by experiments demonstrate that ASE noise propagating in the pump direction (the direction of increasing gain) is compressed faster than the gain. This is in clear contrast to saturated erbium doped fiber and semiconductor amplifiers where the gain is compressed faster than the noise under all circumstances. (C) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码：279 / 288
页数：10
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