Investigation of Rayleigh scattering and pump interacting in multi-pumped Raman amplifiers

Pengcheng Xiao*, Qingji Zeng, Jun Huang, Jimin Liu, Wei Wei

*Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review

Abstract

Using a comprehensive model that includes pump-to-pump, pump-to-signal, signal-to-signal interaction, Rayleigh scattering and amplified spontaneous emission the Raman gain spectra of multi-pumped Raman amplifier under the various conditions were investigated. The results show that a different pump powers and pump wavelength intervals schemes are required for multi-pumped Raman amplifier. To obtain broader bandwidth and smaller gain ripple the powers of the shorter and longest wavelength pumps are needed higher power and the powers of the middle wavelength pumps should be set lower.

Original languageEnglish
Pages (from-to)423-430
Number of pages8
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume4581
DOIs
Publication statusPublished - 2001
Externally publishedYes
EventPassive Components and Transmission Systems - Beijing, China
Duration: 12 Nov 200115 Nov 2001

Keywords

  • Distributed Raman amplifier
  • Gain spectrum
  • Pump-to-pump interaction
  • Rayleigh scattering

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