Generalized coupled-mode model for the multistripe index-guided laser arrays

P. Ru, P. K. Jakobsen, J. V. Moloney, R. A. Indik

Research output: Contribution to journalArticle

41 Scopus citations

Abstract

We develop a generalized coupled-mode model for multistripe index-guided laser arrays that includes explicitly the influence of carrier-induced antiguiding, gain guiding, and carrier diffusion in the gain stripe. As an illustration of an application of the model, stability criteria for two-element laser arrays are derived that show that the phase-locked solution is intrinsically unstable. We find that the phase-locked solution can be stabilized at a low external injection-locking power at the suitably chosen injection-locking frequency. We have tested our model in the large carrier-diffusion case and still find good qualitative agreement between the coupled-mode model and a full coupled partial differential equation model.

Original languageEnglish (US)
Pages (from-to)507-515
Number of pages9
JournalJournal of the Optical Society of America B: Optical Physics
Volume10
Issue number3
DOIs
StatePublished - Mar 1993

ASJC Scopus subject areas

  • Statistical and Nonlinear Physics
  • Atomic and Molecular Physics, and Optics

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