Broadband gain-flattened multiwavelength pumped Raman fiber amplifier

Bin Bin Yan*, Kui Ru Wang, Chong Xiu Yu, Da Xiong Xu, Xin Zhu Sang, Yi Zhen Liu, Xiang Jun Xin, Sheng Xue Quan, Ya Ying Jia

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)

Abstract

Based on analyzing the principle of the Raman Fiber Amplifier (RFA), optimal design of a backward pumping Raman fiber amplifier with five different pump wavelengths was carried out. With seven pump lasers at five different wavelengths and a 100.8 km dispersion-shift fiber, a broadband optical Raman fiber amplifier with gain band over 90 nm, on-off gain of 15.55 dB, gain flatness below 0.87 dB and average effective noise coefficient of -3.5 dB was demonstrated experimentally. The experimental results agree with the theoretical calculation.

Original languageEnglish
Pages (from-to)155-158
Number of pages4
JournalGuangxue Jingmi Gongcheng/Optics and Precision Engineering
Volume14
Issue number2
Publication statusPublished - Apr 2006
Externally publishedYes

Keywords

  • DSF
  • Effective noise coefficient
  • Gain flatness
  • On-off gain
  • Raman fiber amplifier

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