Measurement of linewidth enhancement factors for InGaAlAs laser diode by Fourier series expansion method

  • D. Byrne
  • , W. H. Guo
  • , R. Phelan
  • , Q. Y. Lu
  • , J. F. Donegan
  • , B. Corbett

Research output: Contribution to journalArticlepeer-review

Abstract

The Fourier series expansion method is used to measure the linewidth enhancement factor of an InGaAlAs Fabry-Pérot semiconductor laser from the below-threshold amplified spontaneous emission spectrum. It is shown that using this method, the linewidth enhancement factor can be obtained independently of the resolution bandwidth of the optical spectrum analyser.

Original languageEnglish
Pages (from-to)1145-1146
Number of pages2
JournalElectronics Letters
Volume43
Issue number21
DOIs
Publication statusPublished - 2007

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