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Journal Article

Free-carrier-driven spatiotemporal dynamics in amplifying silicon waveguides

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Marini,  Andrea
Biancalana Research Group, Research Groups, Max Planck Institute for the Science of Light, Max Planck Society;

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Biancalana,  Fabio
Biancalana Research Group, Research Groups, Max Planck Institute for the Science of Light, Max Planck Society;

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Citation

Roy, S., Marini, A., & Biancalana, F. (2014). Free-carrier-driven spatiotemporal dynamics in amplifying silicon waveguides. PHYSICAL REVIEW A, 89(5): 053827. doi:10.1103/PhysRevA.89.053827.


Cite as: http://hdl.handle.net/11858/00-001M-0000-002D-65F5-4
Abstract
We theoretically investigate the free-carrier-induced spatiotemporal dynamics of continuous waves in silicon waveguides embedded in an amplifying medium. Optical propagation is governed by a cubic Ginzburg-Landau equation coupled with an ordinary differential equation accounting for the free-carrier dynamics. We find that, owing to free-carrier dispersion, continuous waves are modulationally unstable in both anomalous and normal dispersion regimes and chaotically generate unstable accelerating pulses.