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Performance optimization in ultra-long Raman laser amplified 10x30 GBaud DP-QPSK transmission: Balancing RIN and ASE noise

  • Francesca Gallazzi*
  • , Giuseppe Rizzelli
  • , Md Asif Iqbal
  • , Mingming Tan
  • , Paul Harper
  • , Juan Diego Ania-Castañón
  • *Corresponding author for this work
  • Instituto de Óptica "Daza de Valdés"

Research output: Contribution to journalArticlepeer-review

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Abstract

We experimentally evaluate the influence of RIN transfer from pump to signal on the transmission performance of a 10 × 30 Gbaud DP-QPSK transmission system using a 2nd-order ultra-long Raman fiber laser amplifier, considering the effect of cavity front-end reflectivity and forward pump power ratio. The evolution of the Q-factors with distance up to maximum reach is monitored for a 10 × 30 Gbaud DP-QPSK transmission system with WDM channels between 1542.94 nm to 1550.12 nm. A maximum transmission distance of 6479 km is found for configurations with low forward pump powers corresponding to the optimal balance between RIN and ASE impairments.

Original languageEnglish
Pages (from-to)21454-21459
Number of pages6
JournalOptics Express
Volume25
Issue number18
DOIs
Publication statusPublished - 24 Aug 2017

Bibliographical note

© 2017 Optical Society of America. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modifications of the content of this paper are prohibited.

Funding: People Programme of the European Union’s Seventh Framework Programme FP7 under grant 608099; Spanish MINECO grant TEC2015-71127-C2; Comunidad de Madrid grant S2013/MIT-2790-SINFOTON-CM and UK EPSRC programme grant UNLOC EP/J017582/1.

Keywords

  • Fiber optics communications
  • ) Fiber optics amplifiers and oscillators
  • coherent communications

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