High Gain Er3+ -Doped Fibre Amplifier Pumped by 820nm GaAIAs Laser Diodes

K. Suzuki, Y. Kimura, M. Nakazawa

Research output: Contribution to journalArticlepeer-review

17 Citations (Scopus)

Abstract

An optical gain of 22 dB at 1-535/an is obtained in an Er3+-doped fibre amplifier for a total pump power of 54 mW. The Er3+ doping concentration is 34ppm, and the pumping source is GaAIAs laser diodes at 820 nm. By using an Er3 + fibre with a doping concentration of 390 ppm, the maximum gain is as high as 29-4 dB for a pump power of 83 mW.

Original languageEnglish
Pages (from-to)948-949
Number of pages2
JournalElectronics Letters
Volume26
Issue number13
DOIs
Publication statusPublished - 1990 Sept 1

Keywords

  • Optical fibres
  • Semiconductor lasers

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