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1 September 2004 Bistable systems with noise and delay
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The polarisation dynamics of vertical cavity surface emitting lasers (VCSELs) in the bistable regime is well described by Kramers theory for noise induced transitions. By employing feedback, a memory mechanism can be introduced, which make the dynamics of the system non-Markovian. Here we analyse theoretically and experimentally the residence time distribution of the bistable systems in the presence of noise and time-delayed feedback, using an opto-electronic feedback cycle for a VCSEL. We demonstrate and explain various non-exponential features of the residence time distribution using a continuous as well as a two-state model. Additionally we compare the results to an electronic Schmitt trigger, which represents an experimental realization of the two-state model.
© (2004) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
David Curtin, Stephen P. Hegarty, David Goulding, John Houlihan, Thomas Busch, Cristina Masoller, and Guillaume Huyet "Bistable systems with noise and delay", Proc. SPIE 5452, Semiconductor Lasers and Laser Dynamics, (1 September 2004);

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