Two-section fiber optic Raman polarizer for high-speed transmission systems

Sergey V. Sergeyev*, Sergei Popov

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference publication

Abstract

We report on a theoretical study of polarization impairments in periodically spun fiber Raman amplifiers. Based on the Stochastic Generator approach we have derived equations for polarization dependent gain and mean-square gain fluctuations. We show that periodically spun fiber can work as a Raman polarizer but it suffers from increased polarization dependent gain and gain fluctuations. Unlike this, application of a depolarizer can result in suppression of polarization dependent gain and gain fluctuations. We demonstrate that it is possible to design a new fiber Raman polarizer by combining a short fiber without spin and properly chosen parameters and a long periodically spun fiber. This polarizer provides almost the same polarization pulling for all input signal states of polarization and so have very small polarization dependent gain. The obtained results can be used in high-speed fiber optic communication for design of quasi-isotropic spatially and spectrally transparent media with increased Raman gain.

Original languageEnglish
Title of host publication2011 13th International Conference on Transparent Optical Networks
PublisherIEEE
Number of pages4
ISBN (Electronic)978-1-4577-0882-4, 978-1-4577-0880-0
ISBN (Print)978-1-4577-0881-7
DOIs
Publication statusPublished - Nov 2011
Event13th International Conference on Transparent Optical Networks - Stockholm, Sweden
Duration: 26 Jun 201130 Jun 2011

Publication series

NameIEEE Conference Publications
PublisherIEEE
ISSN (Print)2162-7339

Conference

Conference13th International Conference on Transparent Optical Networks
Abbreviated titleICTON 2011
CountrySweden
CityStockholm
Period26/06/1130/06/11

Keywords

  • fiber Raman amplifier
  • polarization mode dispersion

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