Computation of a Point-to-Point Homoclinic Orbit for a Semiconductor Laser Model
- 1 Department of Electrical & Computer Engineering, University of Patras, Patras, Greece
- 2 Department of Electrical & Computer Engineering, University of Patras, Patras, Greece
Abstract
In this paper, a methodology for the numerical location of a global point-to-point (P2P for short) homoclinic asymptotically connecting orbit is applied to a modified version of Shimizu-Morioka system, which models a semiconductor laser. This type of global bifurcation can be considered as a stylized mathematical description of self-pulsation in this laser type, associ-ated with saturation. The location is achieved by use of a custom algorithm based on the method of orthogonal collocation on finite elements with fourth order boundary conditions, constructed through scale order approximations. The effectiveness of the algorithm and the superiority of high-order boundary conditions over the widely used first order ones are justified throughout the obtained graphical results.
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