Pulse trapping and nonequilibrium spatiotemporal wave mixing in broad-area semiconductor lasers
JOSA B, Vol. 15, Issue 12, pp. 2861-2867 (1998)
http://dx.doi.org/10.1364/JOSAB.15.002861
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Abstract
The trapping and dynamic nonequilibrium spatiospectral mixing of two nonresonant picosecond pulses injected into the active area of a broad-area semiconductor laser are investigated on the basis of spatiotemporal numerical simulations. The spatiotemporal dynamics of the nonequilibrium Wigner distributions of the charge carriers and the interband polarization reveal the spatiospectral wave mixing and spatiospectral nature of self-focusing, propagation-induced hole burning, dynamic nonlinear waveguiding, and interference effects. This interplay of effects is identified as the origin of the pulse merging and of the subsequent formation of a trapped pulse that is reminiscent of a spatial optical soliton.
© 1998 Optical Society of America
[Optical Society of America ]
OCIS Codes
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.3430) Lasers and laser optics : Laser theory
(140.5960) Lasers and laser optics : Semiconductor lasers
(190.0190) Nonlinear optics : Nonlinear optics
(190.5530) Nonlinear optics : Pulse propagation and temporal solitons
(190.7070) Nonlinear optics : Two-wave mixing
Citation
E. Gehrig and O. Hess, "Pulse trapping and nonequilibrium spatiotemporal wave mixing in broad-area semiconductor lasers," J. Opt. Soc. Am. B 15, 2861-2867 (1998)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-15-12-2861
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