Modulational-induced optical pattern formation in a passive optical-feedback system

J. V. Moloney, H. Adachihara, R. Indik, C. Lizarraga, R. Northcutt, D. W. Mc Laughlin, A. C. Newell

Research output: Contribution to journalArticle

Abstract

Two-dimensional metastable patterns can appear randomly across a broad laser beam profile in a passive optical ring cavity. The instability responsible for pattern formation is primarily modulational in nature, leading to a competitive interaction between strongly saturated solitary-wave ringlike and filamentary spatial structures. The complexity of pattern formation depends sensitively on saturated filament density, which can be conveniently controlled in an optical-feedback arrangement. Our preliminary computational results suggest that the instability domain can be partitioned into two general categories: (1) rapid modulational growth to a single stationary filament or a long-lived metastable pattern involving five filaments growing directly from a shelflike ridge about the central filament or (2) a significantly slower formation of localized filaments forming primarily from a slow modulational growth on fully developed saturated solitary-wave rings. One-dimensional computations with a retarded material response indicate that the general trend of unstable formation should be relatively insensitive to finite retardation effects.

Original languageEnglish (US)
Pages (from-to)1039-1044
Number of pages6
JournalJournal of the Optical Society of America B: Optical Physics
Volume7
Issue number6
DOIs
StatePublished - 1990

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filaments
solitary waves
rings
ridges
laser beams
trends
cavities
profiles
interactions

ASJC Scopus subject areas

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

Cite this

Modulational-induced optical pattern formation in a passive optical-feedback system. / Moloney, J. V.; Adachihara, H.; Indik, R.; Lizarraga, C.; Northcutt, R.; Mc Laughlin, D. W.; Newell, A. C.

In: Journal of the Optical Society of America B: Optical Physics, Vol. 7, No. 6, 1990, p. 1039-1044.

Research output: Contribution to journalArticle

Moloney, J. V. ; Adachihara, H. ; Indik, R. ; Lizarraga, C. ; Northcutt, R. ; Mc Laughlin, D. W. ; Newell, A. C. / Modulational-induced optical pattern formation in a passive optical-feedback system. In: Journal of the Optical Society of America B: Optical Physics. 1990 ; Vol. 7, No. 6. pp. 1039-1044.
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AU - Mc Laughlin, D. W.

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