Polarized backward Raman amplification in unidirectionally spun fibers

被引：8

作者：

Bettini, Elisa ^{[1
]}

Galtarossa, Andrea ^{[1
]}

Palmieri, Luca ^{[1
]}

Santagiustina, Marco ^{[1
]}

Schenato, Luca ^{[1
]}

Ursini, Leonora ^{[1
]}

机构：

[1] Univ Padua, Dept Informat Engn, I-35131 Padua, Italy

来源：

IEEE PHOTONICS TECHNOLOGY LETTERS | 2008年 / 20卷 / 1-4期

关键词：

polarization-mode dispersion (PMD); Raman amplification; spun fibers;

D O I：

10.1109/LPT.2007.911517

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 vector interaction of an intense, backward-propagating, Raman pump and a weak, forward-propagating, Stokes signal in randomly birefringent, unidirectionally spun fibers is theoretically and numerically studied. The governing equations account for losses, Raman interaction, random linear birefringence, nonlinearity, and spinning. A model of birefringence, previously proposed for determining the polarization properties of unidirectionally spun fibers, is applied to the Raman amplifier confirming that this particular spin generates an equivalent circular birefringence. Numerical solutions show that, for rapid spinning, random birefringence effects are greatly reduced. Raman gain can be enhanced, and its fluctuations are minimized.

引用

页码：27 / 29

页数：3

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