Gain control in erbium-doped fibre amplifiers by tuning centre wavelength of a fibre Bragg grating constituting resonant cavity

Seong Yun Ko, Myong Wook Kim, Dong Hwan Kim, Sang Hyuck Kim, Jae Cheol Jo, Jung ho Park

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14 Citations (Scopus)


Gain control in an erbium-doped fibre amplifier (EDFA) using two fibre Bragg gratings and a fibre-stretcher is demonstrated. Various stabilised gain levels can be achieved by tuning the centre wavelength of a grating, which changes the optical cavity loss of the EDFA in lasing.

Original languageEnglish
Pages (from-to)990-991
Number of pages2
JournalElectronics Letters
Issue number10
Publication statusPublished - 1998 May 14


ASJC Scopus subject areas

  • Electrical and Electronic Engineering

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