Large signal model of TDM-pumped Raman fiber amplifier

被引：13
|
作者：
Karásek, M
Kanka, J
Radil, J
Vojtech, J
机构：
[1] Acad Sci Czech Republ, Inst Radio Engn & Elect, CR-18251 Prague, Czech Republic
[2] CESNET Ale, Prague 16000, Czech Republic
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 2005年 / 17卷 / 09期
关键词：
optical fiber amplifiers; Raman amplification; time-division multiplexing (TDM);
D O I：
10.1109/LPT.2005.851888
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：
In this letter, we study spectral optical signal-to-noise ratio, (OSNR) profile of a wide-band Raman fiber amplifier (RFA)with time-division-multiplexed (TDM) pumping. We derive a comprehensive large-signal numerical model which incorporates time variation effects and the downstream propagation of signals, upstream propagation of pumps, and downstream and upstream propagation of Amplified spontaneous emission spectral components.. We present results for a four-wavelength-pumped discrete RFA with TDM and continuous-wave pumping. Improvement in OSNR flatness of 0.9 dB due to TDM pumping is demonstrated.
引用
收藏
页码：1848 / 1850
页数：3
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