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Proceedings Paper

Coupled lasers asymptotics
Author(s): Thomas Erneux; Thomas W. Carr; RuoDing Li
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Paper Abstract

Models of coupled lasers are investigated by exploring new asymptotic limits. The class B limit is based on the fact that the decay rate of the cavity is much larger than that of the inversion. By reformulating the laser equations as a weakly perturbed conservative system of equations, we may apply perturbation techniques appropriate for nonlinear oscillators. We illustrate the method by studying the bifurcation diagram of two coupled solid state lasers and determine conditions for a period doubling bifurcation. Semiconductor lasers are also class B lasers but, in addition, the normalized excess pump current is a small parameter. By taking this feature into account, we propose a new asymptotic analysis of the equations for an arbitrary number of coupled lasers. The leading order solution is then a linear combination of supermodes solutions.

Paper Details

Date Published: 1 December 1993
PDF: 11 pages
Proc. SPIE 2039, Chaos in Optics, (1 December 1993); doi: 10.1117/12.164755
Show Author Affiliations
Thomas Erneux, Northwestern Univ. (United States)
Thomas W. Carr, Northwestern Univ. (United States)
RuoDing Li, Northwestern Univ. (United States)


Published in SPIE Proceedings Vol. 2039:
Chaos in Optics
Rajarshi Roy, Editor(s)

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