Stability Boundaries in Laterally-Coupled Pairs of Semiconductor Lasers

Martin Vaughan, Hadi Susanto, Nianqiang Li, Ian Henning, Mike Adams

Research output: Contribution to journalArticle (Academic Journal)peer-review

4 Citations (Scopus)
41 Downloads (Pure)

Abstract

The dynamic behaviour of coupled pairs of semiconductor lasers is studied using normal-mode theory, applied to one-dimensional (slab) and two-dimensional (circular cylindrical) real index confined structures. It is shown that regions of stable behaviour depend not only on pumping rate and laser separation, but also on the degree of guidance in the structures. Comparison of results between normal-mode and coupled-mode theories for these structures leads to the tentative conclusion that the accuracy of the latter is determined by the strength of self-overlap and cross-overlap of the symmetric and antisymmetric normal modes in the two lasers.
Original languageEnglish
Pages (from-to)74
Number of pages10
JournalPhotonics
Volume6
Issue number2
DOIs
Publication statusPublished - 25 Jun 2019

Keywords

  • semiconductor lasers
  • coupled lasers
  • stability
  • normal modes
  • coupled modes

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