Complex spatio-temporal dynamics in the near-field of a broad-area semiconductor laser

We present the combination of microscopic model calculations and direct experimental evidence for complex spatio-temporal dynamics on a picosecond timescale in the near-field of a broad-area semiconductor laser induced by the interplay of self-focusing, diffraction, and spatial hole burning. We demo...

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Bibliographic Details
Published in:Europhysics letters 1996-09, Vol.35 (8), p.579-584
Main Authors: Fischer, I, Hess, O, Elsäßer, W, Göbel, E
Format: Article
Language:English
Subjects:
05.45.+b
42.55.Px
42.65.Sg
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Summary:We present the combination of microscopic model calculations and direct experimental evidence for complex spatio-temporal dynamics on a picosecond timescale in the near-field of a broad-area semiconductor laser induced by the interplay of self-focusing, diffraction, and spatial hole burning. We demonstrate the formation of migrating optical filaments within the turn-on dynamics of such a laser and characterize the resulting spatio-temporal complexity via spatio-temporal cross-correlation functions.
ISSN:0295-5075
1286-4854
DOI:10.1209/epl/i1996-00154-7