| Issue |
Europhys. Lett.
Volume 35, Number 8, September II 1996
|
|
|---|---|---|
| Page(s) | 579 - 584 | |
| Section | Classical areas of phenomenology | |
| DOI | https://doi.org/10.1209/epl/i1996-00154-7 | |
| Published online | 01 September 2002 | |
Complex spatio-temporal dynamics in the near-field of a broad-area semiconductor laser
1
Institut für Angewandte Physik, Schloßgartenstr. 7,
TH Darmstadt, D-64289 Darmstadt, Germany
2
Institut für Technische Physik, DLR,
Pfaffenwaldring 38-40, D-70569 Stuttgart, Germany
3
Physikalisch Technische Bundesanstalt, Bundesallee 100,
D-38116 Braunschweig, Germany
Received:
15
May
1996
Accepted:
12
July
1996
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.
PACS: 42.65.Sg – Dynamics of nonlinear optical systems; optical instabilities, optical chaos, and optical spatio-temporal dynamics / 05.45.+b – Theory and models of chaotic systems / 42.55.Px – Semiconductor lasers; laser diodes
© EDP Sciences, 1996
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