Spectral linewidth broadening in Er-doped-fibre amplifiers measured with less than 1.4 kHz linewidth light source

H. Okamura, K. Iwatsuki

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

Spectral linewidth broadening in Er-doped-fibre amplifiers is measured by utilising a delayed self-heterodyne interferometer with 1-4 kHz resolution in the 155Onm range. Though the noise floor is broadened, no broadening is observed at the 3dB down point.

Original languageEnglish
Pages (from-to)1965-1967
Number of pages3
JournalElectronics Letters
Volume26
Issue number23
DOIs
Publication statusPublished - 1990 Jan
Externally publishedYes

Keywords

  • Amplifiers
  • Linewidth
  • Optical fibres
  • Stability

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

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