• DocumentCode
    772260
  • Title

    Linewidth enhancement in distributed-feedback semiconductor lasers

  • Author

    Amann, M.-C.

  • Author_Institution
    Siemens AG, Munich, West Germany
  • Volume
    26
  • Issue
    9
  • fYear
    1990
  • fDate
    4/26/1990 12:00:00 AM
  • Firstpage
    569
  • Lastpage
    571
  • Abstract
    It is demonstrated that the linewidth enhancement in distributed-feedback (DFB) laser diodes can differ significantly from (1+ alpha 2), where alpha is Henry´s linewidth enhancement factor. The influence of the relevant laser parameters, the detuning of the gain peak wavelength, a pi /2 phase shift and a reflecting end facet on the linewidth enhancement is discussed with respect to an improved DFB laser design.
  • Keywords
    distributed feedback lasers; laser theory; semiconductor junction lasers; spectral line breadth; DFB laser diodes; detuning; distributed-feedback; gain peak wavelength; laser parameters; linewidth enhancement; pi /2 phase shift; reflecting end facet; semiconductor lasers;
  • fLanguage
    English
  • Journal_Title
    Electronics Letters
  • Publisher
    iet
  • ISSN
    0013-5194
  • Type

    jour

  • DOI
    10.1049/el:19900372
  • Filename
    48758