Mode formation and beating in the transverse pattern dynamics in a laser

Numerical studies of a model introduced by Lugiato, Oldano and Narducci for the interaction among transverse modes in a laser reveal time-dependent solutions in the region of “cooperative frequency locking” (CFL), which are unexpected from linear stability analysis. Spectral analysis reveals that ti...

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Bibliographic Details
Published in:Optics communications 1990-11, Vol.79 (6), p.476-488
Main Authors: Lin, H., Abraham, N.B.
Format: Article
Language:English
Subjects:
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Lasers
Optics
Physics
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Summary:Numerical studies of a model introduced by Lugiato, Oldano and Narducci for the interaction among transverse modes in a laser reveal time-dependent solutions in the region of “cooperative frequency locking” (CFL), which are unexpected from linear stability analysis. Spectral analysis reveals that time-dependent solutions are predominantly beating between two CFL solutions. Both CFL solutions and time-dependent solutions coexist stably with a stable plane wave solution in some regions.
ISSN:0030-4018
1873-0310
DOI:10.1016/0030-4018(90)90486-D