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Communication Dans Un Congrès Année : 2004

Multimode dynamics of semiconductor lasers

Résumé

In this manuscript we analyze the modal dynamics ofmultimode semiconductor quantum-well lasers. Modal switching is the dominant feature of thedevices analyzed and it obeys a highly organized antiphase dynamics which leads to an almost constanttotal intensity output. For each active mode a regular switching at frequencies offew MHz is observed. The activation order of the modes follows a well defined sequence starting from the lowest wavelength (bluest) mode to the highest wavelength (reddest) mode, then the sequence starts again from the bluest mode. Using a multimode theoretical model and a simpler phenomenological model we identify that four wave mixing is the dominant mechanism at the origin of the observed dynamics. The asymmetry of the susceptibility function ofsemiconductor materials allows to explain the optical frequency sequence.
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Dates et versions

hal-00022734 , version 1 (13-04-2006)

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Luca Furfaro, Alejandro Yacomotti, Francesco Pedaci, Xavier Hachair, Julien Javaloyes, et al.. Multimode dynamics of semiconductor lasers. 2004, pp.411-421, ⟨10.1117/12.545514⟩. ⟨hal-00022734⟩
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