• DocumentCode
    1023181
  • Title

    Theoretical calculation of the linewidth enhancement factor of DFB lasers

  • Author

    Ogita, S. ; Yano, M. ; Imai, H.

  • Author_Institution
    Fujitsu Laboratories Ltd., Atsugi, Japan
  • Volume
    22
  • Issue
    11
  • fYear
    1986
  • Firstpage
    580
  • Lastpage
    581
  • Abstract
    The linewidth enhancement factor ¿ of a single-longitudinal-mode DFB laser is theoretically analysed. It is shown that the oscillating wavelength should be selected at the wavelength 100¿200 Å shorter than that of the gain peak to obtain a smaller ¿ value. It is also shown that the lower threshold gain gives a smaller linewidth enhancement factor.
  • Keywords
    distributed feedback lasers; semiconductor junction lasers; DFB lasers; calculation; distributed feedback lasers; linewidth enhancement factor; oscillating wavelength; single-longitudinal-mode DFB laser; threshold gain;
  • fLanguage
    English
  • Journal_Title
    Electronics Letters
  • Publisher
    iet
  • ISSN
    0013-5194
  • Type

    jour

  • DOI
    10.1049/el:19860394
  • Filename
    4256590
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=1023181