Mode properties of an external-cavity laser with Gaussian gain

Carl F. Maes, Ewan M. Wright

Research output: Contribution to journalArticlepeer-review

10 Scopus citations


We analyze the mode properties of a laser with a Gaussian gain profile by using the beam propagation method. The resonance properties of the Petermann K factor and the M2 beam quality are shown to be related in the vicinity of degenerate cavity geometries. K is unity for a confocal cavity, even under conditions with strong gain guiding, while M2 is a maximum.

Original languageEnglish (US)
Pages (from-to)229-231
Number of pages3
JournalOptics letters
Issue number3
StatePublished - Feb 1 2004

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics


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