NDLI: Genesis of walking optical solitons in semiconductor lasers by nonlinear spatio-spectral pulse-trapping

Content Provider	IEEE Xplore Digital Library
Author	Gehrig, E. Hess, O.
Copyright Year	2000
Description	Author affiliation: Inst. of Tech. Phys., DLR, Stuttgart, Germany (Gehrig, E.; Hess, O.)
Abstract	Summary form only given. Semiconductor lasers are nonlinear media in which the dynamic light-matter interaction occurring on timescales ranging from femtosecond to the nanosecond regime lead to characteristic spatial and spectral properties of the charge carrier plasma and the optical fields. Depending on the geometry of the active layer, injection current or spatio-spectral properties of an injected light beam the distributions of the charge carrier plasma and of the intensity can either reach a chaotic regime or stabilize. We present results of numerical simulations of an amplifier configuration in which the spatio-spectral mixing of two short optical pulses in the active area of a broad-area laser lead to the formation of a walking optical solitons. The origin of the observed behavior can be attributed to spatial effects such as carrier transport, diffraction and self-focusing and in particular to the microscopic dynamics in the carrier system reflecting the spatio-spectral gain and refractive index dynamics. The spatio-temporal dynamics of the optical fields and the carrier system is calculated with Maxwell-Bloch-Langevin equations which consider the wave-mixing process as well as the carrier heating and relaxation processes on a microscopic level.
File Size	98681
File Format	PDF
ISBN	0780363183
DOI	10.1109/IQEC.2000.908029
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2000-09-10
Publisher Place	France
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Legged locomotion Optical solitons Semiconductor lasers Optical pulses Plasma properties Ultrafast optics Charge carriers Plasma simulation Nonlinear optics Optical mixing
Content Type	Text
Resource Type	Article

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