Fibre-optic Raman amplifier of signals at the 1.3 μm wavelength, pumped by a Cr4+:forsterite crystal laser

被引：0
|
作者：
Dianov, EM [1 ]
Karpov, VI [1 ]
Grekov, MV [1 ]
Prokhorov, AM [1 ]
机构：
[1] Russian Acad Sci, Inst Gen Phys, Fibre Opt Res Ctr, Moscow 117942, Russia
来源：
QUANTUM ELECTRONICS | 1997年 / 27卷 / 11期
关键词：
D O I：
10.1070/QE1997v027n11ABEH001091
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：
A report is given of the experimental results of an investigation of the parameters of a fibre-optic Raman amplifier pumped by radiation from a highly stable laser with a forsterite (Mg2SiO4) crystal doped with Cr4+ ions, The non-absorbed part of the pump radiation was returned to an active fibre waveguide by a fibre Bragg grating in order to increase the amplifier efficiency. A high measurement precision was ensured by a system for stabilisation of the pump power coupled into the active fibre, When the pump power was 800 mW and the noise factor was 4 dB, the gain was 30 dB; when the gain was 15 dB, the gain saturation power-expressed in terms of the output signal-was 15 dBm.
引用
收藏
页码：995 / 997
页数：3
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