Observation of chaotic itinerancy in the light and carrier dynamics of a semiconductor laser with optical feedback

Observation of chaotic itinerancy in the light and carrier dynamics of a semiconductor laser with optical feedback

We report a direct experimental observation of chaotic itinerancy in simultaneous measurements of the light intensity and voltage fluctuations of a laser diode exhibiting low-frequency fluctuations. The distribution of trajectories leading up to (following) an intensity dropout is computed from the...

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Veröffentlicht in:Physical review. E, Statistical, nonlinear, and soft matter physics Statistical, nonlinear, and soft matter physics, 2006-02, Vol.73 (2 Pt 2), p.026219-026219, Article 026219
Hauptverfasser: Ray, Will, Lam, Wing-Shun, Guzdar, Parvez N, Roy, Rajarshi
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container_issue 2 Pt 2
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container_title Physical review. E, Statistical, nonlinear, and soft matter physics
container_volume 73
creator Ray, Will
Lam, Wing-Shun
Guzdar, Parvez N
Roy, Rajarshi
description We report a direct experimental observation of chaotic itinerancy in simultaneous measurements of the light intensity and voltage fluctuations of a laser diode exhibiting low-frequency fluctuations. The distribution of trajectories leading up to (following) an intensity dropout is computed from the experiment and reveals the presence of itinerant mechanisms before (after) dropout initiation. A phase space reconstruction of the trajectory for the optimal path of motion illustrates sudden shifts between low-dimensional attractor ruins and is shown to correspond to simulations of the laser intensity and carrier number.
doi_str_mv 10.1103/PhysRevE.73.026219
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title Observation of chaotic itinerancy in the light and carrier dynamics of a semiconductor laser with optical feedback
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