Chaos from a free-running broad-area VCSEL
Jules Mercadier, Stefan Bittner, Damien Rontani, Marc Sciamanna
TL;DR
This paper demonstrates the spontaneous emergence of chaos in a free-running broad-area VCSEL, linking it to mode competition and polarization dynamics, without external perturbations.
Contribution
It is the first experimental report of chaos in a free-running commercial broad-area VCSEL, analyzing its nonlinear dynamics and complexity.
Findings
Chaos occurs spontaneously in the VCSEL without external perturbations
Chaos is linked to mode competition and polarization dynamics
System complexity characterized by chaos titration and correlation dimension
Abstract
We experimentally report on the detection of chaos from a free-running commercial broad-area VCSEL without the need for external perturbation such as optical feedback, injection or current modulation. The evolution of nonlinear dynamics leading to chaotic behavior is studied, and the system's complexity is characterized using chaos titration and correlation dimension. We link the occurence of chaos with the complex interplay between the spatial laser modes competition and polarization dynamics.
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Taxonomy
TopicsSemiconductor Lasers and Optical Devices · Photonic and Optical Devices