Mode properties of an external-cavity laser with Gaussian gain

Carl F. Maes; Ewan M. Wright

doi:10.1364/OL.29.000229

Mode properties of an external-cavity laser with Gaussian gain

Carl F. Maes, Ewan M. Wright

Research output: Contribution to journal › Article › peer-review

10 Scopus citations

Abstract

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 language	English (US)
Pages (from-to)	229-231
Number of pages	3
Journal	Optics letters
Volume	29
Issue number	3
DOIs	https://doi.org/10.1364/OL.29.000229
State	Published - Feb 1 2004

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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10.1364/OL.29.000229

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title = "Mode properties of an external-cavity laser with Gaussian gain",

abstract = "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.",

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AU - Wright, Ewan M.

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AB - 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.

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U2 - 10.1364/OL.29.000229

DO - 10.1364/OL.29.000229

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SP - 229

EP - 231

JO - Optics letters

JF - Optics letters

IS - 3

ER -

Mode properties of an external-cavity laser with Gaussian gain

Abstract

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