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Proceedings Paper

Bistable systems with noise and delay
Author(s): David Curtin; Stephen P. Hegarty; David Goulding; John Houlihan; Thomas Busch; Cristina Masoller; Guillaume Huyet
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Paper Abstract

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.

Paper Details

Date Published: 1 September 2004
PDF: 9 pages
Proc. SPIE 5452, Semiconductor Lasers and Laser Dynamics, (1 September 2004); doi: 10.1117/12.545491
Show Author Affiliations
David Curtin, Univ. College Cork (Ireland)
Stephen P. Hegarty, Univ. College Cork (Ireland)
David Goulding, Univ. College Cork (Ireland)
John Houlihan, Univ. College Cork (Ireland)
Thomas Busch, Univ. College Cork (Ireland)
Cristina Masoller, Univ. de la Republica (Uruguay)
Guillaume Huyet, Univ. College Cork (Ireland)

Published in SPIE Proceedings Vol. 5452:
Semiconductor Lasers and Laser Dynamics
Daan Lenstra; Geert Morthier; Thomas Erneux; Markus Pessa, Editor(s)

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