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Clamping of the linewidth enhancement factor in narrow quantum-well semiconductor lasers

  • J. Hader
  • , D. Bossert
  • , J. Stohs
  • , W. W. Chow
  • , S. W. Koch
  • , J. V. Moloney

Research output: Contribution to journalArticlepeer-review

42 Scopus citations

Abstract

The linewidth enhancement factor (LWEF) in single quantum-well lasers is analyzed theoretically and experimentally. The LWEF clamps with increasing carrier density and the correct LWEF at the gain peak is affected by the density dependence of the gain maximum. Calculations show that designing laser structures is possible, wherein the LWEF does not have to increase with increasing pump level.
Original languageEnglish
Pages (from-to)2277-2279
Number of pages3
JournalApplied Physics Letters
Volume74
Issue number16
DOIs
StatePublished - Apr 19 1999
Externally publishedYes

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