Noise in orthogonally pumped fiber-optical parametric amplifiers

被引：2
|
作者：
Kylemark, Per [1 ]
Ren, Jian
Radic, Stojan
McKinstrie, C. J.
Karlsson, Magnus
Andrekson, Peter A.
机构：
[1] Chalmers, Dept Microtechnol & Nanosci, Photon Lab, SE-41296 Gothenburg, Sweden
[2] Univ Calif San Diego, Dept Elect & Comp Engn, La Jolla, CA 92093 USA
[3] Bell Labs, Lucent Technol, Holmdel, NJ 07733 USA
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 2007年 / 19卷 / 2-4期
基金：
美国国家科学基金会;
关键词：
four-wave mixing (FWM); modulation interaction (MI); noise figure (NF); parametric amplification; phase conjugation (PC);
D O I：
10.1109/LPT.2006.889033
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The noise figure (NF) of a fiber-optical parametric amplifier, driven by pumps with orthogonal polarizations, is quantified experimentally. It is shown that this amplifier has a signal-polarization-dependent gain, with a corresponding polarization-dependent NF. The polarization dependence of the NF is particularly large when higher input-signal powers are amplified, in Which case pump-induced noise dominates. At lower input-signal powers, the NF is less dependent on the input polarization, but increases closer to the lower-frequency pump.
引用
收藏
页码：88 / 90
页数：3
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