Modeling the interplay of thermal effects and transverse mode behavior in native-oxide-confined vertical-cavity surface-emitting lasers

T. Rössler, R. A. Indik, G. K. Harkness, J. V. Moloney, C. Z. Ning

Research output: Contribution to journalArticle

72 Scopus citations

Abstract

We present a microscopically based vertical-cavity surface-emitting laser (VCSEL) model that treats plasma and lattice heating self-consistently and includes gain dispersion in a fashion facilitating the incorporation of many-body effects. This model is used to investigate the interplay of thermal effects and transverse mode behavior observed in recent experiments with large-aperture selectively oxidized VCSELs. We confirm that the highly divergent single-mode emission seen experimentally at low ambient temperatures may be caused by a redshift of the cavity resonance frequency relative to the quantum-well gain peak. Moreover, due to the dependence of the gain spectrum on temperature our model qualitatively reproduces the measured increase of the dominant spatial scale of the low-temperature steady-state field patterns with pumping. Finally, we demonstrate that spatial hole burning plays a significant role at larger ambient temperatures and explains the decrease of the spatial wavelength with pumping, in agreement with the experiments.

Original languageEnglish (US)
Pages (from-to)3279-3292
Number of pages14
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Volume58
Issue number4
DOIs
StatePublished - Jan 1 1998
Externally publishedYes

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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