Reduction of harmonic distortion and noise in a semiconductor optical amplifier using bias current feedback

J. A. Constable, I. H. White, A. N. Coles, D. G. Cunningham

Research output: Contribution to journalArticle


The application of bias current feedback to a semiconductor optical amplifier is shown to improve considerably its noise and distortion performance in analogue applications. Improvements in harmonic distortion of up to 12.75dB, and in noise levels of up to 7.5dB, have been achieved.

Original languageEnglish
Pages (from-to)2042-2044
Number of pages3
JournalElectronics Letters
Issue number23
Publication statusPublished - 1 Jan 1993


  • Electron device noise
  • Harmonics
  • Semiconductor optical amplifiers

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

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