Volume 35, Number 8, September II 1996
|Page(s)||579 - 584|
|Section||Classical areas of phenomenology|
|Published online||01 September 2002|
Complex spatio-temporal dynamics in the near-field of a broad-area semiconductor laser
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
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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