Title :
Reduction of polarization-dependent gain due to signal-to-signal Raman interaction in fiber Raman amplifier
Author :
Li, Zhaohui ; Li, Zhihong ; Lim, Xiao Hann ; Lu, Chao ; Chen, Jian ; Wang, Yixin
Author_Institution :
Lightwave Dept., Inst. for Infocomm Res., Singapore, Singapore
fDate :
3/1/2005 12:00:00 AM
Abstract :
An excellent polarization-dependent gain (PDG) suppression technique using a polarization scrambler is proposed in this letter. Investigations on PDG due to signal-to-signal Raman interaction among 40 wavelength-division-multiplexer signal channels were carried out experimentally to evaluate the system performance after incorporating a polarization scrambler in the system. It was confirmed by experiment that the use of polarization scrambler is an effective way to reduce PDG caused by signal-to-signal Raman interaction.
Keywords :
Raman lasers; optical fibre amplifiers; optical fibre polarisation; wavelength division multiplexing; fiber Raman amplifier; polarization scrambler; polarization-dependent gain reduction; signal-to-signal Raman interaction; wavelength-division-multiplexer signal channel; Electrodes; Optical amplifiers; Optical fiber amplifiers; Optical fiber polarization; Optical modulation; Optical polarization; Page description languages; Stimulated emission; System performance; Wavelength division multiplexing; Polarization-dependent gain (PDG); Raman amplifier; polarization scrambler;
Journal_Title :
Photonics Technology Letters, IEEE
DOI :
10.1109/LPT.2004.842369
