46.5 dB Gain in Er3+-Doped Fibre Amplifier Pumped by 1·48 μM GaInAsP Laser Diodes

Y. Kimura, K. Suzuki, M. Nakazawa

Research output: Contribution to journalArticlepeer-review

47 Citations (Scopus)


An optical gain as high as 46·5 dB was obtained in an Er3+-doped fibre amplifier with pump power of 133 mW by a combination of broadband laser diodes at 1·48μm. A gain coefficient of 0·76dB/mW for the pump and a maximum output power of +15·1 dBm (32·4 mW) have also been achieved.

Original languageEnglish
Pages (from-to)1656-1657
Number of pages2
JournalElectronics Letters
Issue number24
Publication statusPublished - 1989 Sep 1
Externally publishedYes


  • Doping
  • Optical communications
  • Optical fibres
  • Semiconductor lasers

ASJC Scopus subject areas

  • Electrical and Electronic Engineering


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