Optimisation of a two colour pumped Tm3+-doped ZBLAN fibre amplifier at 1.49 μm

被引：1
|
作者：
Tessarin, S [1 ]
Lynch, M [1 ]
Donegan, J [1 ]
Mazé, G [1 ]
机构：
[1] Univ Dublin Trinity Coll, Sch Phys, Semicond Photon Grp, Dublin 2, Ireland
来源：
IEE PROCEEDINGS-OPTOELECTRONICS | 2006年 / 153卷 / 01期
关键词：
D O I：
10.1049/ip-opt:20050053
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 authors have constructed a 4 metre length thulium-doped ZBLAN fibre amplifier optically pumped at 0.8 mu m by a tuneable Ti: Sapphire and at 1.06 mu m by an Nd3+ : YAG laser. The authors obtained 12.5 dB for small-signal gain at 60 mW for the two pumps' optical power. The behaviour of the amplifier has been analysed with the optical power of the signal approaching the saturation condition (-5 dBm) and at different wavelengths for the Ti : Sapphire pump laser. A model was developed for the optimisation of the amplifier for signal power below the saturation intensity at wavelengths between 1.49 and 1.53 mu m (S-band). This shows an empirical quadratic dependence of the Nd3+ : YAG power with respect to the Ti: Sapphire power in order to obtain the maximum photon conversion efficiency making the optimised amplifier employable as a booster amplifier in the supporting telecommunication band.
引用
收藏
页码：28 / 32
页数：5
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